1. SAE certification (We are the only one factory that passed the SAE certification in China.)
2. Cold rolled steel sheet (Usually using Hot rolled steel sheet in China)
3. Thickness: 3.0mm (Usually 2.70mm in thickness)
4. Coil spring diameter: 13.50 cm
5. Stroke rod : 30# steel (Usually using A3 steel in China)
6. OEM for manufactures in China and OEM for export market
7. Certificate: ISO 9001 and ISO/TS 16949
We can also see other air brake chambers in stock,such as...