Min. Order:
100 Set
Price:
US$ 1
Place of origin:
China
Supply Ability:
8 million pcs
bar material: 4Cr9Si2, 4Cr10Si2Mo, 21-4N, X60, X80, INCONEL751,21-4NWNb.
2. Strict control process: CNC processing line, network continuous furnace for heat treatment,welding of double matels, valve seat welding(STELI), U type quenching, chrome plating and soft nitriding on valve surface, 100% flaw detection for finish products.
3. Quality certificate: ISO9001, IATF16949
4. Fast delivery capabili
[Related Keywords : Engine valve]