1)with different surface treating 2) ... wheel1)Finish: silver, gray, hyper silver, chrome, black, machine face, (2)International standards: SFI,TUV,VIA ,TSE ... . (3)Production and testing machine: The low pressure casting machine, gravity casting machine, continuous heat-treating furnace ,the ... impact tester, the salt spray tester, the universal material testing machine (4)Delivery :if in stock ,timely ...