TD Fastener here, with manufacturing strength on A2/A4 Bolt, Nut, Threaded rod and washer. Feature:1. 24000tons per year, TOP manufacturer in China since 19862. ISO9001:2008 Certified3. Raw materials from Japan(Nippon steel), Korea, Bao Steel(Fortune 500)4. Supply to WASI, APEX, S+P, WURTH, BOSSARD...If any interested, kindly give details.Best regards,Felix (TD FASTENER) SHANDONG TENGDA STAINLESS STEEL PRODUCTS CO., LTD No.887,Yikang Road,Tengzhou,Shandong,China. P.C.:277500