... wheel should be tested by a series of testing or quality control machine The specification we can do ... ,Black,Gold,Hyper silver,Hyper black,Gold-lip polished, Silver-lip polished,Chrome etc.International standards: SFI, TUV, VIA ... wheel should be tested by a series of testing or quality control machine, such as X-Ray machine ... we have the flow forming producing capacity. High quality wheel 20x9 for car