... materialDC53,SKD11,D2,SKH-9,SKH-51 Product material MetalsDesign softwareUG, PROE, CAD, CAXA ect.Mould ... us! 3.Q:What is the material of your products?A:The material is DC53,SKD11,D2,SKH-9 ... factory do regarding quality control? A:Quality is priority. Guangtuo people always attach great importance ... if you needed.2. Negotiation: The quality, price, material, delivery time, payment item, ect.3. Place an ...