Lower Arm

Zhejiang HEC Machinery is the fourth factory of JJ group. Our foundries are specialized in complex aluminium castings for example heat exchangers, locomotive parts, automotive parts and hydraulic parts since 1986. 

We offer sand casting, shell core, gravity casting and die-casting (high and low pressure). We would be pleased to deliver parts according to your specifications.

We casting Upper and Lower Arms and other parts for automotive parts:

-engine cylinder

-cylinder head

-crankcase

-Side Box

-Transmission Housing

Product Details:

Suspension control arms are key structural parts of vehicle suspension systems. They connect the chassis to the steering knuckle, constrain wheel movement and maintain correct wheel alignment. 

The component absorbs shock loads during driving, improves handling stability and riding comfort. With high structural rigidity and excellent fatigue resistance, it endures repeated impact and vibration in working conditions.

We manufacture high-quality aluminum Housing. We strictly control casting defects such as porosity to ensure stable mechanical strength and reliable sealing under heavy load and vibration.

Custom production is available per your drawings or samples. Our one-stop service includes sand casting/die casting/gravity casting/shell casting, CNC precision machining, heat treatment and comprehensive quality inspection.

Typical quality control:

Certificate: