alloy wire heat pad,high quality car seat heater many dimension available manufacture according to order design ability MaterialAlloy wire and non-wovenExportMore than 20,000 sets per yearSupplied toChangChun FAW,Volkwagen,etcCertificationTS-16949,ISO 9000,TUV,CE,etc Strict test passedPassed 13 items strict test in US,such as knee load test,180-degree bending durability test, powered endurance ...