... , Sun Shang Sales Dept. China Cosman Jewelry Co., LtdOffice ADD:4/F,CHAOSHAN MANSION, NO.1036 SOUTH ROAD DONGMEN STREET, SHENZHEN, CHINATel ... : (+86) 755-82192859 Mobile No.: (+86) 15014016823 925sterling silver,925silver jewelry,silver finding,clasp,screw,bead