... /B;CO;FTA,ETC • Country of Origin• Guarantee/Warranty• Good Service• International Approvals• Product Performance• Prompt Delivery5.Our main customers• Jiangsu ... center and less than 2 complaint cases . 2, material of steel type of 15#,20#,25#,30#.35#,40#,45#,46 ... processing on giving materials. 5, excellent heat treatment. hot rolled steel sheet