Side Box Manufacturers

HEC Machinery is specialized in complex aluminium castings for example Housing Assembly and other automotive parts since 1986. We have several foundries and located south-east of Shanghai in the city of Taizhou, Zhejiang Providence, China.

Transmission side box serves as auxiliary housing for the transmission system. It accommodates partial shafts and auxiliary components and protects internal parts.

We produce high-quality aluminum cast side boxes with intricate internal cavities. We tightly control porosity and casting defects to secure sufficient structural rigidity and sealing capability under vibration and heavy load.

OEM manufacturing available per drawings & samples. We provide one-stop purchasing from optimized of design, to tooling-, casting-, machining-, assembly-, coating-, and full inspection.

We have ISO 9001:2015, ISO 14001:2004 and ASME certificates for both foundry and assembly. 

We support prototype development and mass production to meet diverse transmission project requirements. If you have any questions, welcome consult.