JinYoo® US Brand | GBA Alliance, Dongguan

Your IATF Partner for Automotive Hardware

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About Us

GBA Alliance Manufacturing Your IATF 16949

Partner In Dongguan

JinYoo® is a US registered brand (Serial: 982XXXXX). We integrate 12+ certified factories across GBA (Dongguan, Shenzhen, Foshan) with IATF 16949, ISO 9001, and ISO 14001. We don’t own one factory, we manage an alliance.

From prototype to 1M+ mass production, we deliver automotive-grade stamping, CNC machining, injection molding and die-casting. Direct factory pricing, no middleman, no hidden tariff costs.

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Our Products

We are the industry heads and produce the most reliable and trendy solution you are looking for.

Metal Stamping & Deep Drawing

Automotive grade progressive stamping up to 600 ton. Tolerance ±0.02mm, for brackets, housings, terminals. IATF 16949 certified lines in Dongguan.

CNC Machining & Die Casting

5-axis CNC + aluminum zinc die casting. From prototype to 1M+ mass production. For EV battery trays, motor housings, structural parts.

Injection Molding & Assembly

Plastic injection 50T-800T, insert molding, overmolding + final assembly. We handle quoting, engineering and quality control directly. Our certified GBA factories handle manufacturing.

GBA Alliance Capabilities One Partnet For All Your Automotive Needs. From Tooling To Mass Production.

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Our Contributions

Industries We Serve!

Automotive Precision Components

Brackets, housings, OBC covers, sensor housings and structural parts. Precision stamping 60T-300T, CNC machining, injection molding. IATF 16949, tolerance ±0.02mm.

Power & New Energy Components

Transformer bobbins (EI/EE, pin-type, terminal-type), PV inverter housings, copper terminals & busbars. UL listed, precision molding & stamping.

Waterproof Micro Switches & Controls

Automotive-grade waterproof micro switches, IP67 rated. 10M+ cycles for automotive, appliance and industrial controls. In-house tooling & assembly.

Need a Reliable Manufacturing Partner for Your Custom Parts? Let’s Talk!

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