... your requests 4) ISO9001:2008 1)Product Name: stainless steel hook , S hook2)Process: according to the drawings3)Meterial:stainless steel ... ball,spring,screw,stamping part,Automatic lathes partOperational Address:No.7, Qinghu Road, Qinghutou, Tangxia Town , Dongguan, Guangdong, China (Mainland) Main ... Certificate:ISO9001:2008 Contract Manufacturing:Design service offered Stainless steel circle hooks