표준
DIN,JIS,ANSI,GB,BSW,etc
Material
Carbon steel Class 4.8, 8.8,10.9,12.9
Color
Yello Zinc Plated,as customer's require
Mark
According to customer's requirement
Certificate
SGS ROHS ISOISO9001:2008 ISO14001:2004
Packing
Cartons+plastic Bags as customer's require
Place of Origin
Shanghai,China