Custom Plastic Parts Manufacturer · China
Injection Molding & Precision Tooling.
Custom Plastic Parts — From Design to Delivery.
Injection molding, rapid tooling, and assembly services with 30+ years experience. English-speaking project management, fast communication, and reliable delivery.

Injection Molding & Custom Parts Manufacturing
Injection molding, custom plastic parts manufacturing, rapid tooling, and assembly services for global OEM clients.
Custom Plastic Injection Molding Services JBRplas operates a 24/7 injection molding facility in …
Rapid Tooling & Prototype Injection Molding When you need injection-molded parts for product …
Plastic Mold Manufacturing in Shenzhen JBRplas operates a fully equipped toolroom in Shenzhen, …
Industries We Serve
From medical devices to automotive components — precision plastic parts manufacturing across 7 key industries, backed by 30+ years of sector-specific expertise.
Plastic injection molding for smart home devices — hubs, sensors, switches, plugs, and cameras. UL94 V-0, Class A finish, high-volume production from Shenzhen.
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JBRplas manufactures precision plastic injection molds and molded parts for automotive OEM suppliers — interior trim, connector housings, HVAC components, and structural brackets.
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Plastic injection molded enclosures, housings, and components for consumer electronics and home appliances. Flame-retardant resins, UL94 V-0, Class A finish. Shenzhen factory.
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JBRplas manufactures medical-grade plastic injection molds and molded components — FDA compliant resins, ISO 10993 biocompatible materials, clean room molding available.
Learn MoreProven Manufacturing — 30 Years, ISO Certified
Everything you need to validate a manufacturing partner, in one place.
30+ injection presses, 12 CNC centers, 500+ resins under one roof in Shenzhen.
ISO 9001 & 13485 certified. Full CMM inspection, material traceability, PPAP documentation.
7 real OEM projects — automotive, medical, electronics, toys, and financial devices.
From RFQ to delivery — DFM, tooling, T1 samples, production, inspection, and shipping.
Meet Our Team
Engineers and toolmakers with an average of 12 years' specialist experience.

A Career Built on Craftsmanship
Chen Liang’s journey in the mold industry …

Bridging Two Worlds
Steven Liang joined JBRplas in 2017 after completing his …

The Financial Foundation
May Chen’s career in industrial finance began in the …

From Telecom to Tooling
Before the world of mold steel and ejection pins, Barry …
Manufacturing Insights & Technical Guides

Sourcing plastic injection molding from China is a well-trodden path for product companies …

Sustainability in manufacturing is no longer a marketing checkbox — it is increasingly a procurement …

With hundreds of plastic resins available for injection molding, selecting the right material is one …