1 Our main prouduct: Nut: DIN934 GB52-76 GB6170 Bolt:DIN933 GB21 GB30 GB5783 2 Size: M6--M30 3 Steel Gread: A3 35K 4 Surface For Items: Plain, Zinc Blue, Yellow, White, Phosphated 5 Class:4 , 6 ; 4.8, 6.8 Used in electric power, mining, ...
Telephone:86 - 0310 - 6890333
Address:West of The Southern Section of Taibai Road ,Yongnian Country Handan Hebei 057150 China