... should be tested by a series of testing or quality control machine The specification we can do is ... etc.International standards: SFI, TUV, VIA, TSE, TS16949Package: Soft cap, plastic bag, and guard ring inside, hard carton ... should be tested by a series of testing or quality control machine, such as X-Ray machine,Rotary ... Also we have the flow forming producing capacity. High quality wheel 20x9 for car