... Machinery & Equipment Co.,Ltd ,which was set up in 2008. Located in Fuzhuang Industrial Development Zone,Botou City,Hebei Province,which ... the national standard GB ,also called 1045 or 080M46 in JIS,C45 in DIN. 4.40 Cr 5Stainless Steel304 6 Titanium ... tool for refineries to switch gas stations, gas production plants, drilling crew and so on. TRADE FAIR Anti-Magnetic Stainless Alloy Combination Wrench ...