Detailed Product Description

We produce large variety of shock absorber for European, American, Japanese and Korea cars. The products are mainly exported to countries in Europe, Asia, and the U.S., and have gained great popularity for the high quality and competitive price. We also develop new products according to our customers specifications.

We can definitely assure the quality of the products we send to our customers. We believe we can keep balance with the other leading manufacturers in the quality but we can give you the more competitive price:

A, The materials and the spare parts of the shock absorber we produce are all in accordance with the leading manufacturers all over   the world, the quality of which can be assured for the customers:

a) Piston rod: material---steel with 0.45% carbon on average

                     Chrome treatment: HV>900; Thickness: 0.15---0.10mm;

Surface roughness: Ra: 0.07---0.08

                      Crackle forming treatment, heat treatment (quench hardening), and thread forming treatment to harden the piston rod and extend its life span, Phosphate treatment on the loading end as rust protection.

b) Pressure tube: steel with 20% carbon on average, cold pilger rolling (rolled precision seamless steel tubes)

        The smoothness of the surface<0.4

        Tolerances of the ID: 0.020.04mm

c) Oil seal: the top quality extorted seals form Japan, NOK

         Material: butadiene-acrylonitrile rubberthe function of resisting heat and wear, strong bond force

d) Parts made by the powder: powder metallurgy (PM), all the parts made in a time to guarantee the stable strength of the parts.

   Piston: light or black (steam treatment to remove all the burrs and strengthen the function)

e) Welding: spot welding

        Seam welding

        Weld reinforcement

Painting: totally-enclosed automatic painting system

B, All the production machines and the testing facilities are offered by the professional factories.

C, Before delivering the goods to the customers, the final produce control---quality testing must be undertaken100% damp testing, very 5% of the products must take the endurance tests. In this way, we can guarantee the quality of all the products we send to our customers