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.
JBRplas is a Shenzhen-based plastic injection molding manufacturer with over 30 years of production experience. We operate 30+ injection presses (50–1,200 tons), 12 CNC machining centers, and an in-house toolroom under ISO 9001 and ISO 13485 certified quality systems.
We process over 500 engineering resins — ABS, PC, PA66, POM, PEEK, TPU, and glass-filled compounds — with full material traceability, CMM inspection, and PPAP documentation. From automotive brackets to medical device housings and consumer electronics enclosures, we deliver production-ready molds and molded parts from prototype through mass production.
Send your CAD files for DFM feedback, pricing, and lead time within 24 hours.
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.
Real Projects, Measured Results
OEM injection molding and tooling projects from our Shenzhen factory floor — each with the technical specs procurement engineers need to evaluate.
JBRplas designed and manufactured a 4-cavity precision injection mold for a wireless microphone magnetic charging dock housing — 30×20×10mm PC+ABS at 2g with Class A cosmetic surface requiring zero sink marks, zero weld lines, and uniform gloss, achieved through optimized gate positioning, conformal cooling, SPI A1 mirror polishing, and DFM draft angle refinement for a consumer electronics brand.
JBRplas manufactured two single-cavity hot-runner pin-gate injection molds for a Class II medical device SOS pendant — 30×55×10mm medical-grade ABS at 7g with 1.6mm ultra-thin walls, IP67 waterproof sealing via silicone O-ring, ISO 10993-5 biocompatibility, and silver-ion antimicrobial coating for a senior healthcare emergency response system.
JBRplas delivered a single-cavity submarine-gate injection mold for a Cabin Wireless Access Point enclosure in PEI — 160×242×6mm at 126g, achieving ±0.08mm boss tolerance, 0.06mm long-axis flatness, UL94 V-0 certification, and full DO-160G Category A compliance for a Tier 1 avionics systems integrator.
Manufacturing Insights & Technical Guides
A product designer at a consumer goods company is developing a snap-close container for a personal …
A product design team at a consumer electronics company is developing a next-generation tablet back …
A mold designer is reviewing T1 samples from a new tool for a medical device housing — a 4-cavity …