1.30 years production experience .
2.Materials :carbon steel or stainless
3.ISO9001,ISO14000,SGS .
4.Quality assurance :18 months
Liwei matching bolts screws,bolts,nuts,bolt,nut
1.30 years production experience .
2.Materials :carbon steel or stainless
3.ISO9001,ISO14000,SGS .
4.Quality assurance :18 months
Liwei matching bolts screws,bolts,nuts,bolt,nut