Hope this can help you. (1) Medium and thick plates: 1. Ordinary medium plates (Q235B/C/D/E), low-alloy medium plates (Q345B/C/D/E). Thickness: 10mm–150mm; width: 1600mm–3250mm; length: 5000mm–15000mm. These plates can be subjected to flaw detection tests, and their mechanical properties can be maintained. Execution standard GB3274-1988. 2. High-strength low-alloy medium plates (Q370, Q390, Q420, Q460, AH60, AH70, AH80) with a thickness of 10 mm–50 mm, a width of 1600 mm–3250 mm, and a length of 5000 mm–15000 mm; they can be subjected to flaw detection and retain their mechanical properties. Execution standard GB3274-1988. 3. Plates for boiler vessels (Q245R, Q345R) with a thickness of 10mm–50mm, a width of 1600mm–3250mm, and a length of 5000mm–15000mm; they can be subjected to flaw detection and maintain their mechanical properties. Execution standards: GB713-1988, GB6654-1997. . 4. Materials for large-scale steel structures (Q345B/C/D-Z15/Z25, Q345GJB/GJC/GJD, Q345GJB/GJC/GJD-Z15) with a thickness of 10mm–60mm, a width of 1600mm–3250mm, and a length of 5000mm–15000mm; they can be subjected to flaw detection and maintain their mechanical properties. Execution standard GB3274-1988, execution standard GB/T5313-1985. 5. Bridge deck plates (Q345qc/qd) with a thickness of 10mm–50mm, a width of 1600mm–3250mm, and a length of 5000mm–15000mm; they can be subjected to flaw detection and maintain their mechanical properties. Execution standard GB/T714-2000. 6. Shipbuilding medium plates (A, B, D, AH32, AH36, DH32, DH36) with thicknesses of 8mm–36mm, widths of 1600mm–3250mm, and lengths of 5000mm–15000mm. Certified by nine countries including China (CCS), the United States (ABS), the United Kingdom (LR), France (BV), Germany (GL), Norway (DNV), Italy (RINA), Japan (NK), and South Korea (KP). (II) Hot-rolled coils 1. Cold-rolled bases (SPHC, SPHD, SPHE, 08AI) with a thickness of 3mm–19.5mm and a width of 1250mm–1600mm. Execution standards: ASTMA568, JISG3131. 2. Ordinary coil steel (Q235B) with a thickness of 3mm–19.5mm and a width of 1250mm–1600mm. Execution standard: GB3274 3. Low-alloy coil plates (Q345B/C), with thickness of 3mm–19.5mm and width of 1250mm–1600mm. Execution standard: GB3274. 4. Steel series for automobile manufacturing (510L, 610L, RCL380, RCL420, RCL590, AG400CL). Thickness: 3mm–19.5mm; Width: 1250mm–1600mm. Execution standard: GB/T3273. 5. Oil pipeline steel series (X42-X80, S205-S555, L245-L555, J55, N80). Execution standards: API5L, GB/T14164, API, 5CT. 6. Welding gas cylinder steel series (HP295, HP325) – Standard: GB6653