... Equipment Co.,Ltd ,which was set up in 2008. Located in Fuzhuang Industrial Development Zone,Botou City,Hebei Province ... standard GB ,also called 1045 or 080M46 in JIS,C45 in DIN. 4.40 Cr 5Stainless Steel304 6 ... advanced level of similar foreign products. Continuous use in flammable gas hydrogen (21% concentration) space are ... TRADE FAIR Non-sparking Aluminum Copper Alloy Combination Wrench Set,11Pcs