Beijing Jinzhaobo High Strength Fastener Co., ltd, is professional supplier for fastener, Our products were certificated by ISO9001: 2000 quality system. Our main products are: Hex bolt (HDG, EG, 4.8. 6.8, 8.8), hex nut, washers, anchor bolt(L bolt), stud bolt, and so on.renata-jzbolts[AT]hotmail.comNO.46-12, South street of Beiyuan, Tongzhou Dist. Beijng, China 101100Tel No.: +86 10 60553140Fax No.: +86 10 60553141