Street Address: Baotian Guandu Village,Tangxia Town,Ruian,Wenzhou City,Zhejiang Province
City: Wenzhou
Province: Zhejiang
Country/Region: China
universal
Standard:Hex Flange Bolts / DIN 6921Size:M4-M30Material: Mild Steel,Medium Steel,40CrGrade:4.8, 8.8, 10.9, 12.9