... , mechanical and electrical machine, metallurgy, mine, petroleum chemical industry, aerospace, defense military, etc and enterprise supporting ... telephone: 022-23707818, QQ: 1580484155.Tianjin HuaJingRui bearing Co., LTD mainly Swedish SKF bearing, Japan NSK bearings, NTN ... involved the steel industry, port machinery, petroleum chemical industry, automobile manufacturing machine, paper making and etc ...