Why Plastic Injection Mold Cost Risks Lurk? Start with Design & Material Assessment

author: mia

2025-09-11

Identifies cost risks in plastic injection mold design, material & production.

Introduction
1.1 The Hidden Cost Risks in Plastic Injection Molding
1.2 The Core Role of Design & Material Assessment in Risk Mitigation
How Design Decisions Ignite Mold Cost Risks
2.1 Complexity of Part Geometry: The Biggest Design-Driven Risk
2.2 Tolerance Requirements: Precision vs. Cost Trade-Offs
2.3 Parting Line & Gate Design: Overlooking Leads to Rework Costs
2.4 Case Study: Design Optimization Cuts Mold Cost by 30%
Material Assessment: A Critical Step to Uncover Cost Risks
3.1 Key Material Properties Impacting Mold Costs
3.2 Comparative Analysis: Common Plastic Materials & Their Mold Cost Implications
3.3 Material Selection Mistakes: Cost Risks from Misalignment
Manufacturing Processes: Their Direct Influence on Mold Cost Risks
4.1 Traditional Mold-Making Processes: CNC Machining vs. EDM
4.2 Emerging Processes: 3D-Printed Molds vs. Conventional Molds
4.3 Surface Treatment Processes: Added Costs Beyond Basic Mold Making
4.4 Process Comparison Table: Cost, Lead Time & Risk Levels
The Unseen Shield: Risk Assessment Report for Mold Cost Control](#5-the-unseen-shield-risk-assessment-report-for-mold-cost-control)
5.1 Core Components of a Comprehensive Mold Cost Risk Assessment Report](#51-core-components-of-a-comprehensive-mold-cost-risk-assessment-report)
5.2 How to Conduct Risk Identification in the Report](#52-how-to-conduct-risk-identification-in-the-report)
5.3 Risk Analysis: Probability, Impact & Priority Ranking](#53-risk-analysis-probability-impact--priority-ranking)
5.4 Risk Mitigation Strategies in the Report: Actionable Steps](#54-risk-mitigation-strategies-in-the-report-actionable-steps)
5.5 Case Study: A Risk Assessment Report Saves $50,000 in Mold Costs](#55-case-study-a-risk-assessment-report-saves-50000-in-mold-costs)
Best Practices to Mitigate Mold Cost Risks Through Design & Material Management
6.1 Involve Mold Engineers in the Early Design Phase
6.2 Adopt Material Testing Before Finalizing Selection
6.3 Update Risk Assessment Reports Regularly During the Project
6.4 Leverage Digital Tools for Design Simulation & Cost Estimation
Conclusion: Proactive Assessment = Cost Risk Elimination

1. Introduction

1.1 The Hidden Cost Risks in Plastic Injection Molding

Plastic injection molding is a cornerstone of manufacturing, used to produce billions of parts annually—from automotive components to medical devices and consumer electronics. However, despite its widespread adoption, mold cost overruns remain a persistent pain point for manufacturers. A 2024 survey by the Society of Plastics Engineers (SPE) found that 68% of companies reported unexpected mold cost increases of 10-40% in their recent projects. These overruns stem from hidden risks that often go unaddressed until the mold-making process is well underway—when changes are costly, time-consuming, or even impossible.

The problem lies in reactive decision-making: many teams finalize part designs, select materials, or choose manufacturing processes without fully evaluating how these choices will impact mold costs. For example, a seemingly minor design tweak (like adding a thin rib) can force mold makers to use more expensive machining techniques, while a poorly matched material can require mold modifications to handle high temperatures or corrosion. These "small" decisions accumulate, leading to budget gaps that erode profit margins.

1.2 The Core Role of Design & Material Assessment in Risk Mitigation

To avoid these cost shocks, manufacturers must shift from reactive to proactive risk management—and it starts with design and material assessment. The design phase determines the mold’s complexity, while material selection dictates the mold’s required durability, temperature resistance, and machining needs. Together, these two factors account for 70-80% of total mold cost risks, according to industry data.

But assessment alone is not enough. The insights from design and material reviews must be formalized into a risk assessment report—a document that identifies potential cost risks, analyzes their likelihood and impact, and outlines strategies to mitigate them. Without this report, teams rely on guesswork, increasing the chance of overlooking critical issues. In the following sections, we’ll break down how design and material choices fuel mold cost risks, compare key materials and processes, and highlight how a robust risk assessment report can turn uncertainty into control.

2. How Design Decisions Ignite Mold Cost Risks

2.1 Complexity of Part Geometry: The Biggest Design-Driven Risk

Part geometry is the single most significant design factor influencing mold costs. Every curve, undercut, cavity, or thin wall adds complexity to the mold— and complexity translates directly to higher costs. Here’s why:

Undercuts: These features (recesses or projections that prevent the part from ejecting straight from the mold) require specialized mechanisms like slides, lifters, or unscrewing cores. A single undercut can increase mold cost by 15-30%, as reported by mold manufacturer DME. For example, a plastic housing with two undercuts for snap-fit closures would need two slides, adding $3,000-$8,000 to a base mold cost of $15,000.
Thin Walls: Walls thinner than 0.8mm (for most plastics) require high-precision machining to ensure uniform material flow. They also increase the risk of mold wear, as the molten plastic exerts more pressure on narrow channels. A mold for a 0.5mm thin-wall medical part costs 25-40% more than a mold for a 1.5mm wall part of the same size.
Deep Cavities: Cavities deeper than 4x their width require longer tooling and slower machining to avoid chatter (vibrations that ruin surface finish). A mold for a 100mm deep container would take 50% more machining time than a 50mm deep container, raising labor costs by $2,000-$5,000.

The risk here is that designers often prioritize part functionality over mold simplicity. For instance, a consumer electronics designer might add a complex lattice structure for weight reduction without realizing it requires 10x more EDM (Electrical Discharge Machining) time than a solid structure—leading to a $10,000 cost overrun.

2.2 Tolerance Requirements: Precision vs. Cost Trade-Offs

Tolerances (the allowable variation in part dimensions) are another design decision that sneaks in cost risks. Tighter tolerances (e.g., ±0.01mm) demand:

Higher-Grade Mold Steel: Standard mold steel (e.g., S50C) can’t maintain tight tolerances after repeated heating/cooling cycles. Instead, mold makers use premium steels like H13 or STAVAX, which cost 2-3x more (S50C: $2.50/lb; H13: $6.00/lb).
Advanced Machining: CNC mills with 5-axis capabilities (instead of 3-axis) are needed to achieve tight tolerances, increasing hourly machining costs from $80-$120 to $150-$250.
Additional Inspection: Coordinate Measuring Machines (CMMs) are required to verify tolerances, adding $500-$2,000 per mold inspection.

A common mistake is specifying tighter tolerances than necessary. For example, a toy manufacturer might require ±0.02mm tolerance for a plastic wheel (where ±0.1mm is sufficient). This over-specification would increase mold cost by 20-30%—a $3,000-$6,000 waste on a $20,000 mold.

2.3 Parting Line & Gate Design: Overlooking Leads to Rework Costs

The parting line (where the two halves of the mold meet) and gate (where molten plastic enters the mold) are often afterthoughts in design—but poor choices here lead to costly rework:

Misaligned Parting Lines: If the parting line is placed on a critical surface (e.g., a clear plastic lens), it creates a visible flash (excess plastic) that requires post-processing. Reworking a mold to reposition the parting line costs $1,500-$4,000 and adds 1-2 weeks to lead time.
Inadequate Gate Size: A gate that’s too small causes shear heating (damaging the plastic) or short shots (incomplete part filling). Resizing a gate requires machining the mold cavity, costing $800-$2,000. A gate that’s too large leaves a visible mark, requiring trimming—adding $0.10-$0.50 per part to production costs.

2.4 Case Study: Design Optimization Cuts Mold Cost by 30%

A mid-sized automotive supplier was designing a plastic bracket for a dashboard. The initial design included three undercuts, a 0.6mm thin wall, and ±0.03mm tolerance. The mold maker quoted $35,000, which was 25% over the supplier’s budget.

After involving a mold engineer in the design phase, the team made three key changes:

Eliminated two undercuts by repositioning a snap-fit feature.
Increased the thin wall to 1.0mm (without impacting functionality).
Relaxed tolerance to ±0.05mm (sufficient for the bracket’s purpose).

The revised design reduced the mold cost to $24,500—a 30% savings. This case illustrates how early design assessment can eliminate unnecessary complexity and avoid cost risks.

3. Material Assessment: A Critical Step to Uncover Cost Risks

3.1 Key Material Properties Impacting Mold Costs

The plastic material chosen for a part directly influences mold design, material, and maintenance costs. The most critical properties to evaluate are:

Melting Temperature: High-melting-point plastics (e.g., PC, PEEK) require molds made from heat-resistant steel (e.g., H13) to avoid warping. Low-melting-point plastics (e.g., PP, PE) can use cheaper steel (e.g., S50C).
Corrosiveness: Some plastics (e.g., PVC, POM) release corrosive gases during molding, which degrade standard mold steels. These require stainless steel molds (e.g., STAVAX), which cost 30-50% more than carbon steel.
Abrasion: Filled plastics (e.g., glass-filled nylon) are highly abrasive and wear down mold cavities quickly. These require hardened steel molds (e.g., H13 with 50-55 HRC), which add $2,000-$5,000 to mold costs.
Shrinkage: High-shrinkage plastics (e.g., PE, PP) require mold cavities to be oversized to compensate. This increases machining time, as mold makers must adjust dimensions repeatedly—adding $1,000-$3,000 to costs.

3.2 Comparative Analysis: Common Plastic Materials & Their Mold Cost Implications

To quantify the impact of material choice, let’s compare five widely used plastics and their average mold cost for a standard 100x50x20mm part (1-cavity mold):

Material	Melting Temp (°C)	Corrosiveness	Abrasion	Shrinkage (%)	Mold Steel Required	Mold Cost Range ($)	Cost Premium vs. PP (%)
PP (Polypropylene)	160-170	Low	Low	1.5-2.5	S50C (Carbon Steel)	12,000-15,000	0
ABS (Acrylonitrile Butadiene Styrene)	180-230	Low	Low	0.5-1.5	S50C or H13 (for high volume)	13,000-17,000	8-13
PC (Polycarbonate)	220-300	Low	Medium	0.5-1.0	H13 (Heat-Resistant Steel)	18,000-22,000	20-47
POM (Polyoxymethylene)	160-175	High	High	1.5-3.5	STAVAX (Stainless Steel)	20,000-25,000	33-67
PEEK (Polyether Ether Ketone)	343-380	Low	High	1.0-2.0	H13 or ASP-60 (Super Hard Steel)	35,000-45,000	133-200

Data sourced from mold manufacturers (DME, Husky Injection Molding Systems) and SPE 2024 reports.

The table shows that material choice can double or triple mold costs. For example, switching from PP to PEEK for the same part increases mold cost by 133-200%—a difference of $23,000-$30,000. This risk is often overlooked when designers select materials based solely on part performance, not mold cost.

3.3 Material Selection Mistakes: Cost Risks from Misalignment

Two common material selection mistakes lead to mold cost overruns:

Over-Engineering: Choosing a high-performance material when a lower-cost alternative works. For example, a manufacturer used PEEK for a non-critical electrical insulator (where PC would suffice). The PEEK mold cost $40,000—$22,000 more than a PC mold.
Underestimating Material-Mold Compatibility: A startup selected PVC for a pipe fitting without realizing its corrosiveness. The initial mold (S50C steel) failed after 500 cycles due to corrosion. The team had to replace it with a STAVAX stainless steel mold, adding $8,000 to costs and 3 weeks to production.

Both mistakes could have been avoided with a thorough material assessment—including testing compatibility with mold steels and evaluating if a lower-cost material meets performance requirements.

4. Manufacturing Processes: Their Direct Influence on Mold Cost Risks

4.1 Traditional Mold-Making Processes: CNC Machining vs. EDM

Most molds are made using two traditional processes: CNC (Computer Numerical Control) machining and EDM. Each has distinct cost implications:

CNC Machining

Best For: Simple to moderately complex molds (e.g., flat surfaces, basic cavities).
Cost Drivers: Machining time (based on part complexity) and tooling (end mills, drills).
Hourly Cost: $80-$150 (3-axis CNC) to $150-$250 (5-axis CNC).
Risk: For complex geometries (e.g., deep cavities, sharp corners), CNC machining may leave rough surfaces, requiring additional finishing (e.g., polishing)—adding $500-$2,000 to costs.

EDM (Electrical Discharge Machining)

Best For: Complex geometries (e.g., undercuts, fine details) and hard materials (e.g., H13 steel).
Cost Drivers: Electrode material (copper or graphite) and machining time (slower than CNC).
Hourly Cost: $120-$200 (EDM sinking) to $180-$300 (wire EDM).
Risk: EDM is 2-3x slower than CNC for simple parts. Using EDM for a basic mold (e.g., a flat PP part) can increase machining time by 40-60%, raising costs by $3,000-$6,000.

Example: A mold for a 50mm x 50mm x 10mm part with a simple cavity can be made via 3-axis CNC in 20 hours ($1,600-$3,000). If the part has a complex undercut, wire EDM is needed—taking 50 hours ($9,000-$15,000). The process choice alone adds $7,400-$12,000 to costs.

4.2 Emerging Processes: 3D-Printed Molds vs. Conventional Molds

3D printing (additive manufacturing) is gaining traction for mold making, especially for low-volume production. But it comes with unique cost risks:

3D-Printed Molds

Best For: Prototyping, low-volume production (100-10,000 parts), and complex geometries.
Cost Drivers: 3D printer type (FDM vs. SLA vs. metal 3D printing) and material (resin, metal powder).
Cost Range: $500-$5,000 (resin molds for prototyping) to $10,000-$30,000 (metal 3D-printed molds for production).
Risks:
- Short Lifespan: Resin molds last only 100-500 cycles (vs. 100,000+ for steel molds). For high-volume production (100,000 parts), you’d need 200+ resin molds—costing $100,000-$1,000,000 (vs. $20,000 for a steel mold).
- Material Limitations: 3D-printed molds can’t handle high-temperature plastics (e.g., PEEK) or abrasive materials (e.g., glass-filled nylon), leading to premature failure.

Conventional Molds (CNC/EDM)

Best For: High-volume production (10,000+ parts) and durability.
Cost Range: $12,000-$50,000 (steel molds for most plastics).
Risks: High upfront cost. For low-volume production (e.g., 500 parts), a $20,000 steel mold would cost $40 per part in mold amortization—vs. $10 per part for a $5,000 3D-printed mold.

The key risk here is mismatching the process to production volume. A company that uses a 3D-printed mold for 50,000 parts would face $50,000 in mold replacement costs—far more than the $25,000 cost of a conventional mold.

4.3 Surface Treatment Processes: Added Costs Beyond Basic Mold Making

Surface treatment is often required to improve part quality or mold durability—but it adds hidden costs:

Polishing: Achieves a smooth part surface (e.g., for clear plastics like PC). Hand polishing costs $200-$500 per cavity; automated polishing (for high volume) costs $1,000-$3,000.
Coating: Hard chrome coating (for abrasion resistance) adds $1,500-$3,000 per mold. PTFE coating (for non-stick surfaces) costs $800-$2,000.
Texturing: Creates a textured part surface (e.g., a soft-touch finish). Chemical texturing costs $500-$1,500 per cavity; laser texturing (for precision) costs $1,000-$4,000.

The risk is over-specifying surface treatments. For example, a manufacturer added laser texturing to a plastic toy (where chemical texturing would suffice), increasing mold cost by $2,500.

4.4 Process Comparison Table: Cost, Lead Time & Risk Levels

Process	Cost Range ($)	Lead Time (Weeks)	Best For	Key Cost Risks
3-Axis CNC Machining	12,000-25,000	2-4	Simple molds, low-moderate volume	Additional finishing for complex parts
5-Axis CNC Machining	18,000-35,000	3-6	Moderately complex molds	High hourly cost for simple parts
Wire EDM	20,000-40,000	4-8	Complex molds (undercuts)	Slow speed increases labor costs
Resin 3D Printing	500-5,000	1-2	Prototyping, low volume (<10,000 parts)	Short lifespan requires frequent replacement
Metal 3D Printing	10,000-30,000	2-5	Complex, low-volume production	High material cost for large molds

5. The Unseen Shield: Risk Assessment Report for Mold Cost Control

A mold cost risk assessment report is the most effective tool to identify, analyze, and mitigate cost risks before they escalate. It transforms vague concerns (“Will this design be too expensive?”) into actionable insights (“This undercut will increase mold cost by $3,000—here’s how to fix it”). Below is a breakdown of its core components and how it works.

5.1 Core Components of a Comprehensive Mold Cost Risk Assessment Report

A robust report includes five critical sections—each designed to address a different aspect of cost risk:

Project Overview: Details the part (dimensions, functionality, production volume), timeline, and budget. This sets the context for risk evaluation.
Risk Identification: Lists all potential cost risks from design, material, and process choices (e.g., “Undercut in Part Design: Requires slide mechanism”).
Risk Analysis: Quantifies each risk’s probability (likelihood of occurring) and impact (cost if it occurs), using a risk matrix (see Section 5.3).
Risk Prioritization: Ranks risks by severity (high, medium, low) to focus resources on the most critical issues.
Risk Mitigation Strategies: Outlines specific actions to reduce or eliminate risks (e.g., “Redesign part to remove undercut; estimated cost savings: $3,000”).

5.2 How to Conduct Risk Identification in the Report

Risk identification must be collaborative— involving designers, mold engineers, material specialists, and cost estimators. The team should use three methods:

Design Review Checklist: Evaluate design features for cost risks:
- Are there undercuts, thin walls, or deep cavities?
- Are tolerances tighter than necessary?
- Is the parting line/gate positioned optimally?
Material Compatibility Test: Assess if the chosen material is compatible with standard mold steels, and if it requires special processes (e.g., EDM, coating).
Process Feasibility Study: Determine if the selected manufacturing process (e.g., CNC vs. 3D printing) aligns with production volume and part complexity.

Example Risk Identification Entry:

Risk ID: MAT-001
Risk Description: Selected material (POM) is corrosive; standard S50C mold steel will degrade, requiring mold replacement.
Source: Material selection.

5.3 Risk Analysis: Probability, Impact & Priority Ranking

Once risks are identified, the team analyzes them using a risk matrix—a tool that combines probability and impact to calculate risk severity. The matrix below is industry-standard:

Probability\Impact	Low ($1,000-$5,000)	Medium ($5,000-$20,000)	High ($20,000+)
Low (10-30%)	Low Severity	Low Severity	Medium Severity
Medium (30-70%)	Low Severity	Medium Severity	High Severity
High (70-100%)	Medium Severity	High Severity	Critical

Example Risk Analysis Entry (for MAT-001):

Probability: High (90%)—POM’s corrosiveness is well-documented; S50C steel will fail.
Impact: High ($12,000)—Cost to replace S50C mold with STAVAX mold.
Severity: High Severity (per matrix).

Priority ranking follows severity: Critical risks are addressed first, followed by High, Medium, and Low. This ensures the team focuses on risks that could break the budget.

5.4 Risk Mitigation Strategies in the Report: Actionable Steps

Mitigation strategies must be specific, measurable, and time-bound. For each high-severity risk, the report should include:

Action: What will be done (e.g., “Replace POM with ABS”).
Owner: Who is responsible (e.g., “Material Specialist: Jane Doe”).
Timeline: When it will be completed (e.g., “Within 1 week of report approval”).
Cost Impact: Expected savings or additional cost (e.g., “ABS mold cost: $15,000 vs. POM mold cost: $22,000—savings of $7,000”).

Example Mitigation Strategy for MAT-001:

Action: Replace POM with ABS (ABS is non-corrosive, meets part performance requirements).
Owner: Jane Doe (Material Specialist).
Timeline: 5 business days.
Cost Impact: Savings of $7,000 (ABS mold: $15,000 vs. POM mold: $22,000).

5.5 Case Study: A Risk Assessment Report Saves $50,000 in Mold Costs

A medical device company was developing a plastic syringe housing (production volume: 500,000 parts). The initial design included a 0.7mm thin wall, ±0.02mm tolerance, and used PEEK (for biocompatibility). The mold maker quoted $85,000—$30,000 over budget.

The team created a risk assessment report, which identified three high-severity risks:

DES-001: 0.7mm thin wall requires EDM machining (adds $8,000).
DES-002: ±0.02mm tolerance requires 5-axis CNC (adds $12,000).
MAT-001: PEEK requires ASP-60 steel mold (adds $20,000 vs. H13 steel).

Mitigation strategies from the report:

Increase thin wall to 1.0mm (uses 3-axis CNC instead of EDM: saves $8,000).
Relax tolerance to ±0.03mm (uses 3-axis CNC: saves $12,000).
Replace PEEK with medical-grade ABS (meets biocompatibility standards; uses H13 steel: saves $20,000).

After implementing the strategies, the mold cost dropped to $45,000—a total savings of $40,000. Additionally, the report identified a medium-severity risk (3D-printed prototype mold for testing), which prevented a $10,000 rework cost when the team found a design flaw early. Total savings: $50,000.

6. Best Practices to Mitigate Mold Cost Risks Through Design & Material Management

6.1 Involve Mold Engineers in the Early Design Phase

Mold engineers have firsthand knowledge of how design choices impact costs. Involving them during the concept phase (not just after design finalization) can:

Identify complex features that increase costs (e.g., undercuts) before they’re baked into the design.
Suggest design simplifications (e.g., combining two parts into one) that reduce mold complexity.
According to a 2024 SPE study, companies that involve mold engineers early reduce mold cost overruns by 40%.

6.2 Adopt Material Testing Before Finalizing Selection

Material testing ensures the chosen plastic meets performance requirements and is compatible with standard mold processes. Key tests include:

Compatibility Test: Check if the material corrodes or wears standard mold steels.
Processability Test: Verify if the material flows easily in the mold (avoids short shots or flash).
Shrinkage Test: Measure how much the material shrinks to avoid mold resizing.

Testing costs $500-$2,000 but can prevent $10,000-$50,000 in mold rework costs.

6.3 Update Risk Assessment Reports Regularly During the Project

Mold cost risks evolve as the project progresses (e.g., a supplier increases steel prices, or a design change is needed). Updating the risk assessment report monthly (or after major changes) ensures:

New risks are identified (e.g., “Steel price increase: Adds $2,000 to mold cost”).
Mitigation strategies are adjusted (e.g., “Switch to a lower-cost steel supplier”).
The team remains aligned on budget and timeline.

6.4 Leverage Digital Tools for Design Simulation & Cost Estimation

Digital tools reduce guesswork and improve accuracy:

Design Simulation Software (e.g., SolidWorks Simulation): Predicts how the part will perform in use, avoiding over-engineering (e.g., unnecessary thin walls).
Mold Flow Analysis Software (e.g., Autodesk Moldflow): Simulates plastic flow in the mold, identifying gate placement issues or short shots before mold making.
Cost Estimation Tools (e.g., Costimator): Calculates mold costs based on design, material, and process choices, providing real-time budget feedback.

A 2023 study by Deloitte found that companies using these tools reduce mold cost overruns by 25-35%.

7. Conclusion: Proactive Assessment = Cost Risk Elimination

Plastic injection mold cost risks are not inevitable—they are the result of reactive design, material, and process decisions. The data is clear: 70-80% of mold cost risks stem from choices made in the early design and material selection phases. By prioritizing these two areas and formalizing insights into a risk assessment report, manufacturers can transform uncertainty into control.

The case studies in this blog prove the value: a design optimization cut mold costs by 30%, a material switch saved $7,000, and a risk assessment report prevented $50,000 in overruns. These are not isolated successes—they are the result of proactive assessment.

For manufacturers looking to avoid mold cost shocks, the path forward is simple:

Involve mold engineers early in design.
Test materials for compatibility and processability.
Create and update a comprehensive risk assessment report.
Use digital tools to simulate and estimate costs.

By following these steps, you won’t just reduce mold costs—you’ll eliminate the hidden risks that erode profit margins and delay production. In the competitive world of manufacturing, proactive assessment isn’t just a best practice—it’s a competitive advantage.

This blog news thoroughly covers mold cost risks from design, material, and process perspectives, with a strong focus on risk assessment reports and practical case studies. If you need to adjust the depth of certain sections (e.g., add more material types or process details), modify the case studies to match specific industry scenarios, or refine the risk assessment report framework, feel free to let me know.

Dongguan Sanlixin Plastic Technology Co.,Ltd

Shenzhen Sanlixin Technology Co., Ltd. and Dongguan Sanlixin Plastic Technology Co., Ltd. is a manufacturer integrating precision plastic mold design, mold opening, single (double) color injection molding, IML injection molding processing, producing various single (double) color, IML process high-end appearance decorative structural parts, two-color buttons, USB dust plugs, panels and other plastic products, providing customers with fast, excellent, Midea all-round service, the company has 15 years of experience in precision plastic mold design, processing and production, with a variety of advanced machine injection molding equipment with excellent quality and fast service to win the trust and strong support of our customers.