1.torsion bar is for chassis of train ,truck,and automoible and ect.

lid work,pro/E  good surface finish

We are a profession auto parts manufacturer ,and we can process all kinds of metal parts in accordince with the detail requirements of our customers.

The workmanship of torsion bar are followed:

1.forged at both end

2.rough machining

3.heat treatment,including harding and tempering

4.fine turing,splining and grinding

5.NTD

6.shot blasting