Precision Injection Molding
From China

Keyplast delivers high-quality plastic injection molded parts and comprehensive services for medical, automotive, electronics, food & beverage, and industrial applications. With advanced tooling, engineering expertise, and strict quality control, we bring your designs to life with precision and reliability.

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About Keyplast

As a trusted injection molding supplier based in China, Keyplast specializes in delivering high-precision plastic components and comprehensive manufacturing services. We combine cutting-edge technology with decades of engineering experience to serve global clients across diverse industries.

Our expertise spans from design and tool making to surface finishing and post-molding operations. With a focus on innovation and quality, we ensure every product meets the highest standards of performance and durability.

100+

Machines

15+

Years Experience

Our Services

From concept to production, Keyplast offers end-to-end solutions for your injection molding needs.

Design & Engineering

Comprehensive design support, DFM analysis, and engineering validation to optimize your product for manufacturability.

Tool Making

Precision mold manufacturing using CNC, EDM, and advanced polishing techniques for long-lasting, high-performance tools.

Surface Finishing

Custom textures, polishing, painting, laser marking, and pad printing to achieve the desired aesthetic and functional finish.

Post Molding

Assembly, ultrasonic welding, heat staking, and other secondary operations to deliver fully finished components.

Our Injection Molding Solutions

Explore our range of specialized molding processes and applications.

Medical Injection Molding

High-precision, cleanroom-compliant molding for medical devices, housings, and disposable components.

Two Shot Molding

Multi-material molding for soft-touch grips, seals, and complex overmolded parts in one cycle.

Insert Molding

Embedding metal or plastic inserts into molded parts for enhanced strength and functionality.

Over Molding

Applying a secondary layer of material for improved ergonomics, sealing, or aesthetics.

Plastic Bucket Mold

High-volume production molds for durable plastic buckets used in industrial and household applications.

CNC Tool Machining

Precision machining of molds using OKK and other high-accuracy CNC systems.

Medical Components

ISO 13485-compliant production of syringes, housings, connectors, and diagnostic parts.

Automotive Injection Molding

Durable interior and exterior components including connectors, housings, and structural parts.

Electronics Housings

Precision-molded enclosures for consumer electronics, industrial controls, and IoT devices.

Food & Beverage Molds

FDA-compliant molds for containers, lids, and dispensing components.

Plastic Crate & Pallet Mould

Heavy-duty molds for logistics and storage solutions with high load-bearing capacity.

Plastic Shelf Mold

Modular shelving systems for retail, warehouse, and industrial use with anti-slip surfaces.

Advanced Injection Molding Technology

Hot Runner Systems: Reduce waste and cycle time with precision temperature control.
IML Technology: In-Mold Labeling for durable, high-quality graphics without secondary operations.
Automated Production: High-efficiency molding with robotic part removal and inspection.
Material Expertise: Processing ABS, PP, PC, PE, POM, and engineering plastics with optimized parameters.

Quality Assurance

We follow strict quality control protocols including SPC, first article inspection, and final QA checks to ensure consistency and reliability in every batch.

Frequently Asked Questions

What materials do you work with?

We process a wide range of thermoplastics including ABS, PP, PC, PE, POM, PMMA, and engineering resins such as PBT, PA, and PPS. We also support medical-grade and food-safe materials.

What is your typical lead time for molds?

Mold lead times vary based on complexity, but typically range from 4 to 8 weeks. We offer expedited services for urgent projects.

Do you provide design support?

Yes, our engineering team offers full DFM (Design for Manufacturability) analysis, 3D modeling, and mold flow simulation to optimize your design before production.

Are you certified for medical or automotive production?

We adhere to strict quality standards and can support ISO 13485, IATF 16949, and other industry-specific requirements upon request.

Can you handle low and high-volume production?

Yes, we offer flexible production runs from prototypes and low-volume batches to high-volume mass production with automated lines.

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Precision Injection Molding
From China

About Keyplast