... mechanical properties, impact testing, pressure testing, 3-D co-ordinate CMC, metallography, magnetic particle flaw inspection, etc. ... factory with designing, manufacturing, machining ,marketing in WuXi city, JiangSu province, near from ShangHai 100Km.Question 2 : ... tested before it's packed for shipment. Zinc die casting advantagesZinc die casting alloys are versatile engineering materials. No other ...