Upper and Lower Arm 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.

Suspension control arms connect the chassis to the steering knuckle in vehicle suspension systems. They guide wheel movement and maintain wheel alignment to guarantee stable handling and riding comfort.

We produce high-quality aluminum suspension control arms, including upper control arms and lower control arms. We support complex structural designs.

We strictly control porosity and internal casting defects to achieve high structural strength and fatigue resistance under shock and alternating 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 Upper and Lower Arm,  Suspension Control Arms project requirements. If you have any questions, welcome consult.