material:copper

Application:Audi/ A6l(china); Audi/ A4l(china); Audi/ A4(china); Audi/ A1; Audi/ A8; Audi/ A5; Audi/ R8; Audi/ Q7; Audi/ Q5; Audi/ Tt; Audi/ S6; Audi/ S4; Audi/ Allroad;

Typical Clients: Toyota

Product Name:High Quality Piston Bush


Used in automotive engine system. The raw material is copper(powder metallurgy)

The process flows as follows:

1.pressing(the pressing machine is controled by computer to ensure the quality is stable and high precision)

2.Sinter

3.Sizing& Re-pressing

4.Finishing

5.After-treatment(Including oil dip,stream treatment and so on,in order to improving the surface hardness,cleanliness and the oiliness of the products)

6.Testing (air stream test,3D test,strength test,hardness test,run-out test)