HJ established in 2002, one of the biggest semi-trailer spare parts manufacturer in Asia, is professional in the production of semi-trailer axle assembly, mechanical suspension and landing gear. Company production craft covers the forging, casting, welding, machining, punching, heat treatment, extrusion, intermediate frequency treatment, electronic painting, surface treatment, mould design etc. Within 12 years development and innovation, HJ has become the top axle manufacturer in domestic market.

After-sales service:

    --We guarantee that, under normal use,all defective axle can be repaired and changed for free(except easy wearing parts) .The  guarantee period of axle is 3years.

   --0ur company holds the notice all the time "first -class goods, reasonable price".

HJ quality controll process:

1. For each batch material, we will do metallographic Analysis, Carbon & sulfur Analysis and use expander machine to test the metal mechanic property.

2. For finished axles, we do Fatigue Test to check the plastic deformation of axle; while for fastener welding parts, we do surface decarburation layer test, Vickers hardness test and weld penetration.

3. HJ only get one quality standard, and we never produce products according to the price.

HJ will be your best choice since we have strong technological back-up and reasonable price, and we also have our own lab and R & D department to make customers'  idea become really products with high standard

 We are expecting out next meet at Huajing will start our business realationship.