Manufactures automotive synchronizers, transmission gears, and differential kits and assemblies for heavy-duty trucks and machinery, backed by long-term production experience and precision equipment.
FUJIAN PROVINCE TONGXING PRECISION CASTING CO.,LTD manufactures drivetrain components for heavy-duty applications, focusing on automotive synchronizers and gears alongside differential kits, complete differential assemblies, and differential cases.
The product range serves truck and other heavy-duty machinery needs, including parts suited to well-known vehicle platforms such as Mercedes-Benz, Toyota, Isuzu, Hino, Mitsubishi, Meritor, and Rockwell.
With decades of experience and a strong equipment base, the company emphasizes precise gear production and stable process control, supported by dedicated machining and heat-treatment capabilities to deliver consistent performance and durability for aftermarket and repair markets worldwide.

The manufacturing setup emphasizes accurate tooth profile control, uniform tooth pitch, smooth surface finish, improved durability, and efficient production through specialized gear processing equipment.
Heat treatment is supported by continuous furnace processing designed for stable, repeatable treatment in a continuous production flow.
The product offering is positioned for drivetrain repair and replacement needs, supplying differential kits, assemblies, and transmission gear components commonly used in commercial vehicle maintenance.
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