We are looking for below product. We will thank if contact if possess production or product. 1. Standard : Korea KS D 3566               Japan JIS G 3444               America ASTM A 500 2. Material : STK400 (KS,JIS,ASTM,Q235),               STK500 (KS,JIS,ASTM,Q345B) 3. SPEC :    a.?42.7 (?.25), thickness 2.3mm (?.3) * 6M "urgnet"    b.?54   (?.25), thickness   2.3mm (?.3) * 6M    c.?48.6 (?.25), thickness 2.3mm (?.3) * 6M    d.?60.5 (?.3),  thickness 2.3mm (?.3) * 6M 4.Quantity : per 100Ton/Month 5.Destination : korea,                 Zhinzhou,Dalian,Liaoning 6.Payment : CNF Busan, CNF zhinzhou Dalian T/T Or L/C 7.Remark : Quality of the material, specific activity, permission tolerance are the most important.