... PCD : 4H-12H/ 100-150 alloy wheels,aluminum wheels,wheel rims ,car wheel(1)Finish: silver, gray, hyper silver, chrome, black, machine ... , automatic spray-painting line, the spectrum analyzer, X-ray machine, three-coordinates measuring machine, rotary bending tester , the radial rolls fatigue ... could be made according to customer's requirements. aluminum alloy wheel/rim