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Precision Plastic Molds
Engineered in China

One-stop service from design, prototype, tooling, injection molding to shipment. 20% lower cost, 15 days faster delivery. Trusted by global innovators since 2005.

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About Topworks Plastic Mold

Established in 2005, PIM (Topworks) is a leading Chinese plastic mold company and contract tooling maker specializing in high-quality injection mold tooling. Based in Huangyan — known as China’s “Mold Town” — we’ve grown from a 500m² facility with 15 employees to a 80-person team including over 70 experienced mold engineers.

We are dedicated to delivering tight-tolerance, precision molds with agile project management and personal service. Our one-stop solutions cover design, prototyping, tooling, injection molding, and global shipment — all optimized for startups and SMBs needing reliable, scalable manufacturing.

80+

Team Members

18+

Years Experience

Precision Mold Steel

Our Plastic Mold Products

We manufacture high-precision molds for a wide range of industries. Each product is custom-engineered for durability, accuracy, and performance.

Crate Mould

Crate Mould

Heavy-duty plastic crate molds for logistics, agriculture, and industrial use. High-cycle durability with precise dimensional control.

Chair Mould

Chair Mould

Stackable and ergonomic chair molds for indoor/outdoor use. Designed for strength, comfort, and efficient ejection.

PET Preform Mould

PET Preform Mould

High-cavity molds for beverage bottles. Optimized for fast cycle times and consistent wall thickness.

Automotive Mould

Automotive Mould

Car trim, grilles, bumpers, and instrument panels. Precision molds meeting automotive safety and durability standards.

Medical Device Mould

Medical Device Mould

Cleanroom-compliant molds for syringes, housings, and diagnostic tools. ISO 13485 standards supported.

Electronics Mold

Electronics Mold

Housings for consumer electronics, connectors, and electrical parts. EMI shielding and heat resistance options.

Housewares Mould

Housewares Mould

Cutlery, buckets, dustbins, flower pots. Food-safe materials and ergonomic designs.

2K Injection Molding

2K Injection Molding

Dual-material molds for soft-touch grips, seals, and overmolding. Enhanced functionality and aesthetics.

ABS Injection Molding

ABS Injection Molding

High-impact resistant molds for durable consumer and industrial products. Excellent surface finish.

Blow Mould

Blow Mould

Large-volume hollow parts like containers, tanks, and fuel tanks. Seamless and leak-proof design.

Our End-to-End Services

From concept to delivery, we manage every stage of your product development with precision and transparency.

Design & Prototyping

3D modeling, DFM analysis, rapid prototyping with SLA/SLS. We validate your design before tooling begins.

Mold Making

Precision CNC machining, EDM, polishing, and assembly. Tolerance as tight as ±0.005mm. 100% QC inspection.

Injection Molding & Shipment

High-volume production with real-time monitoring. Packaging, labeling, and global logistics handled seamlessly.

Industries We Serve

Our molds power innovation across diverse sectors worldwide.

Automotive

Medical & Laboratory

Consumer Appliances

Electronics

Packaging (Food/Beverage)

Industrial Equipment

Household Utility Ware

Defense

20%

Lower Cost

15 Days

Faster Delivery

18+

Years in Business

1000+

Molds Delivered

What Our Clients Say

“I’m glad to inform you that all plastic parts are perfect!!! We are delighted, and therefore there are good chances to continue our relationship for any coming new project.”

Cristiano

Purchase Manager

“Steven is an excellent professional with great knowledge and technical practice.”

Paulo

CEO

“Steven is a very detail-oriented project manager and engineer who can solve problems creatively and also provides excellent service. It was a pleasure working with him.”

David

CEO

Get in Touch

Ready to bring your product to life? Partner with Topworks for precision, speed, and reliability.

Contact Information

Address: Mould City, Huangyan CN 318020

Phone: +86 159 6865 2523

Email: sales@plasticmoulds.net

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