Shape Idea Into Reality
From Prototype to Production
Partner with Deuchi.
Deuchi Is More Than A Supplier
We’re Your Trusted Manufacturing Partner.
With deep expertise in custom injection molding and tooling, we help global brands bring innovative plastic products from concept to reality.Our experienced team works closely with you at every stage of the project — from initial design support and mold development through production, secondary operations, and final delivery — to ensure precision, consistent quality, and reliable lead times.
Contract Manufacturing
The custom plastic parts you need — designed, tooled, and manufactured to your exact requirements. Experience makes the difference.
Engineering Services
Mold Build
Prototyping
Material Selection
DFM
Our Application
IP protection, heat dissipation, EMI shielding and flame retardant.
Ergonomic, waterproof, durable and long service life.
Smooth running, low noise, high accuracy and self-lubricating.
Lightweight, strong structure, modular and good surface finish.
Resources
BLOG & NEW
Injection molding jetting vs. flash: causes, symptoms, and fixes
Learn how to identify jetting marks vs flash, why they happen, and the first checks and fixes to reduce defects in molding.
Injection molding short shot: why incomplete fill happens (and what it’s telling you)
Learn why short shots happen in injection molding—gate restriction, venting, freeze-off—and how to diagnose incomplete fill without chasing defects.
Injection molding companies: how to choose a partner that won’t surprise you later
A practical, engineering-first framework to qualify injection molding companies: DFM, tooling, quality docs, and production readiness.
Thermoset plastics (PF, UF, MF, UP, EP, silicone): what they are and when they beat thermoplastics
Thermoset plastics explained for engineers: PF/MF/epoxy and key tradeoffs vs thermoplastics for heat and electrical duty.
Injection Molding Materials 101: Properties, Cost, and How to Choose
A beginner-friendly guide to injection molding materials: key properties, relative cost drivers, UL 94 basics, and where BMC fits.
Material selection for plastic parts: ABS vs POM vs PC vs PP (with DFM implications)
Compare ABS, POM, PC, and PP for molded parts with practical DFM guidance to reduce warp, sink, and ejection risk in enclosures.