Precision Plastic Injection Mold Maker | Custom Molds for High-Volume Production
At Shanxi Fuding International Trade Co., Ltd. , we combine over 14 years of precision manufacturing expertise with advanced mold-making technology to deliver custom plastic injection molds that meet the most demanding requirements of industries worldwide. Whether you need prototype molds for product validation, multi-cavity production tools for high-volume output, or complex molds with unscrewing and multi-shot capabilities, our ISO 9001 certified facility ensures precision, durability, and repeatable performance.
Why Choose Us as Your Plastic Injection Mold Maker?
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Advantage |
What It Means for You |
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End-to-End Mold Solutions |
From design support and DFM analysis to mold fabrication, sampling, and startup support at your facility - we manage the entire mold lifecycle . |
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In-House Toolroom Expertise |
Our fully equipped toolroom with 49+ machines enables complete in-house mold manufacturing, ensuring quality control and faster turnaround . |
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Engineering Excellence |
Experienced mold engineers provide comprehensive process simulation, advanced thermal design with conformal cooling, and scientific sampling . |
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Multi-Cavity & High-Cavitation |
We specialize in high-cavitation molds (up to 32+ cavities) for high-volume production of caps, closures, medical disposables, and packaging . |
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Rapid Prototype Tooling |
Fast-track prototype molds available in 2-4 weeks for design validation before committing to production tooling . |
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Advanced Mold Technologies |
Capabilities include multi-shot molding, in-mold decorating, auto-unscrewing, insert molding, and thin-wall applications . |
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Comprehensive Support |
We offer preventive maintenance, mold refurbishment, repair, and reverse engineering services throughout the mold's life . |
Our Mold Making Capabilities
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Capability |
Specifications |
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Mold Types |
Prototype molds, standard production molds, multi-cavity molds, family molds, stack molds, hot runner molds, gas-assisted molds, bi-injection molds . |
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Mold Weight |
Up to 5 tons per mold . |
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Cavitation |
From single-cavity prototypes to 32+ cavity high-production tools . |
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Injection Machine Compatibility |
15 tons to 600 tons clamping force . |
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Mold Base Standards |
DME, HASCO, FUTABA, LKM, or custom specifications. |
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Lead Times |
Prototype molds: 2-4 weeks; Production molds: 6-10 weeks (depending on complexity) . |
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Monthly Capacity |
10+ sets of precision molds per month. |
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Tool Life |
Up to 1-5 million cycles depending on material and maintenance. |
Specialized Mold Technologies
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Technology |
Application |
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Multi-Shot / 2K Molding |
Two-material parts (soft-touch overmolding, multi-color components) . |
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Auto-Unscrewing |
Threaded closures, caps, medical connectors . |
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In-Mold Decorating (IMD/IML) |
Decorated parts with integrated labels or decorative films . |
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Insert Molding |
Encapsulation of metal inserts, electronic components . |
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Thin-Wall Molding |
Packaging containers, food cups with wall thickness <0.5mm . |
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Conformal Cooling |
3D-printed cooling channels for faster cycle times and reduced warpage . |
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Hot Runner Systems |
Multi-drop hot runner manifolds for complex parts and reduced waste. |
Materials We Work With
Mold Steels
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Material |
Hardness |
Application |
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P20 |
28-32 HRC |
Prototype molds, low-volume production |
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H13 |
46-50 HRC |
High-production molds, hot work applications |
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D2 / A2 |
58-62 HRC |
Wear-resistant components, slides, cores |
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S7 |
54-58 HRC |
Shock-resistant applications, impact areas |
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420 Stainless |
48-52 HRC |
Corrosion-resistant molds for medical/PVC |
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H13 with 3D Printing |
As printed |
Conformal cooling inserts |
Plastic Materials Processed
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Material |
Typical Applications |
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PP (Polypropylene) |
Food containers, closures, medical disposables |
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ABS |
Consumer goods, electronics housings, automotive |
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PC (Polycarbonate) |
Optical parts, safety equipment, medical devices |
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Nylon / PA6, PA66 |
Engineering components, gears, structural parts |
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POM (Delrin/Acetal) |
Precision mechanical parts, gears, bearings |
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PEEK |
High-performance medical, aerospace, industrial |
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LCP (Liquid Crystal Polymer) |
High-temperature electronics, connectors |
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TPE/TPR |
Soft-touch overmolding, seals, grips |
Our End-to-End Mold Making Process
We follow a structured workflow to ensure your stamped parts meet specifications - first time, every time.
Design & Engineering Collaboration
You provide 2D/3D drawings, samples, or concept requirements.
Our mold engineers analyze part design for manufacturability (DFM), identifying potential issues like undercuts, wall thickness variations, and gate location optimization .
We provide comprehensive mold flow analysis to simulate filling, cooling, and warpage, ensuring optimal performance before steel is cut .
Advanced Thermal Design
For high-performance molds, we incorporate conformal cooling channels designed using advanced CFD analysis.
These 3D-printed cooling inserts reduce cycle times by 30-50% and eliminate hot spots .
Traditional cooling circuits are optimized for balanced temperature distribution.
Precision Mold Manufacturing
Our in-house toolroom is equipped with:
5-axis CNC machining centers for complex cavity geometries in single setups .
High-speed machining for fine details and superior surface finishes.
Wire EDM and sinker EDM for precise fit of cores, cavities, and shut-off areas .
CNC grinding for critical mating surfaces.
Automated in-line quality inspection during manufacturing .
Assembly & Fitment
Skilled toolmakers carefully assemble all mold components: cavities, cores, slides, lifters, ejector systems.
All moving parts are fitted with precision clearances to ensure reliable operation at production speeds.
Hot runner systems (if specified) are installed and tested.
Scientific Sampling & Process Qualification
Molds are tested on our in-house injection molding machines (up to 600 tons) .
We conduct scientific molding studies to establish optimal process parameters: temperatures, pressures, cooling times .
First Article parts are inspected dimensionally using CMM and optical comparators.
Full First Article Inspection (FAI) report provided with dimensional data.
Mold Validation & Documentation
We provide comprehensive documentation including:
Mold drawings and BOM
Steel certificates and heat treatment reports
Sampling reports with process parameters
FAI with CMM data
Maintenance recommendations
Startup Support & Training
For turnkey solutions, our technicians can support mold startup at your facility .
We offer training for your operators on mold handling, setup, and preventive maintenance.
Ongoing Support & Maintenance
Preventive maintenance programs to extend mold life and prevent production downtime .
Mold refurbishment and repair services, including replacement of worn components.
Reverse engineering for legacy molds without documentation .
Types of Molds We Build
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Mold Type |
Description |
Typical Applications |
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Prototype Molds |
Simplified tooling for design validation; aluminum or P20 steel; 2-4 week lead time . |
Functional testing, market samples, limited production |
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Production Molds |
Hardened tool steel; precision-ground cavities; designed for millions of cycles. |
High-volume production parts |
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Multi-Cavity Molds |
2 to 32+ cavities for high output; balanced runner systems for cavity-to-cavity consistency . |
Caps, closures, medical disposables, packaging |
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Family Molds |
Multiple different parts in one mold; reduces tooling investment. |
Assemblies requiring multiple components |
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Hot Runner Molds |
No runner waste; faster cycles; multi-drop systems. |
High-volume, high-cost materials |
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Stack Molds |
Two parting lines; doubles output without increasing clamp tonnage . |
Thin-wall packaging, high-volume consumer goods |
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Insert Molds |
Encapsulate metal or other components during molding . |
Electronic components, threaded inserts |
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2K / Multi-Shot Molds |
Two materials in one cycle; complex rotary or transfer systems . |
Soft-grip tools, multi-color parts, seals |
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Unscrewing Molds |
Hydraulic or mechanical core rotation for threaded parts . |
Bottle caps, closures, medical connectors |
Industries We Serve
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Industry |
Applications |
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Medical & Healthcare |
Pipette tips, petri dishes, nasal sprays, syringe components, surgical instrument handles, diagnostic device parts . |
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Packaging |
Thin-wall containers, yogurt cups, ice cream tubs, margarine tubs, closures, caps . |
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Consumer Goods |
Housewares, cosmetic packaging, personal care containers, toys, sporting goods. |
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Electronics |
Connector housings, enclosures, precision components, battery cases. |
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Automotive |
Interior components, under-hood parts, lighting, connectors. |
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Industrial |
Gears, bearings, housings, machine guards, custom components. |
Case Study: High-Cavitation Medical Mold
Challenge: A medical device company required a 16-cavity production mold for disposable pipette tips with tight dimensional tolerances (±0.02mm) and zero flash requirements. Cycle time target: under 8 seconds.
Our Solution:
Designed multi-cavity hot runner mold with optimized gate locations
Implemented conformal cooling channels for uniform temperature distribution
Used hardened H13 steel with DLC coating on critical surfaces
Conducted scientific molding studies to establish robust process window
Results:
8-second cycle time achieved, exceeding customer target
Zero flash across all cavities after process optimization
1.5 million cycles without significant wear
Full IQ/OQ/PQ documentation provided for FDA validation
This demonstrates how our mold-making expertise helps medical customers achieve both quality and productivity goals.
Quality Certifications & Inspection Equipment
We back every mold with robust quality assurance:
ISO 9001:2015 certified quality management system .
In-house inspection tools: CMM (Coordinate Measuring Machine), optical comparator, hardness tester, spectrometer, surface roughness tester, borescope for cooling channels.
First Article Inspection reports provided with full dimensional data.
Material certifications for all mold steels.
Process documentation including mold flow analysis, sampling reports, and maintenance manuals.
one-stop solution
professional team
high quality
Prototype to Production: Our Commitment
We understand that bringing a new product to market requires speed, flexibility, and reliability. Our approach supports you at every stage:
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Stage |
Our Support |
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Concept Development |
Design review, material selection, DFM feedback |
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Prototype |
Rapid prototype molds (2-4 weeks) for design validation |
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Pilot Production |
Bridge tooling for market testing (10,000-50,000 parts) |
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Full Production |
High-cavitation production molds with validation |
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Ongoing |
Preventive maintenance, spare parts, mold refurbishment |
Frequently Asked Questions