hex head bolt rod 1.competitive price 2.high standard of workmanship 3.rich ... experience 4.OEM Materialcarbon steel, stainless steel, steel tube, steel rod, aluminium , brass, zinc alloy and etc.Processstamping, bending, welding, casting ... product, stamping part, deep drawing part, punching part, casting part. Weld wire mesh according to clients requirement. And all assembling part ...