Dear Sir,We are much interested in following specified he usage of producing bolt.1) Grade : AISI 1010 (JIS S10C)2) Dia : 9, 9.5, 12, 16 mm 3) Qty : 100~150MT monthlyIf who can supply it, please send us competative price quotation with C&F Busan basis.Best regards,Peter Lee Chief Representative in Shanghai