Place of Origin Zhejiang, China Company Name NINGBO YONGBIAO INTERNATIONAL BUSINESS CO., LTD Brand Name NBMFG Model Number ASTM A193 Standard ASTM Material Carbon alloy steel Product name ASTM A193 HEX FLANGE BOLTS Grade B7,B7M,B16,B8,B8M Certificate ISO 9001:2015 Packaging Details Carton\tray Port Ningbo Sample Free After-sale service We will follow up goods for every customer and help solve problem after sales
