Place of Origin: Jiangsu, China (Mainland) Brand Name: ALEX Model Number: DIN 933, DIN 931 Standard: DIN, ASTM Material: Carbon steel & Stainless steel & Brass & Aluminum Finish: Yellow & White zinc & black phosphated, gray phosphated Dimensions (L x W x H) (mm): All size Service: Manufacturing, Designing, OEM Quality Control: Inspection on each workshift/new batch material/machine adjustment Manufacturer: Kunshan Alex Processing: Forging Guarantee: According to Contract