... in the year 1996 and specializes in manufacturing and trading a wide range of Fastener,such as bolt,nut,washer,screw ... ,anchor,etc...and we have many years experience in these field,and our ... enterprises have passed ISO9001:2000 quantity system certificate in 2001.we have many good items for your ... choose.if you have any interest in our products,pls contact me.and it's ...