... in Guan County, Liaocheng, Shandong, and has four subsidiaries. We both are the manufacturer and trading company, and the main products cover as follow ... , corrugated steel sheet, cold rolled steel sheet in coils, and highway guardrail. We have passed ISO9001:2000 Quality control system ... 4320*506*85*3mm 4320*506*85*4mmMaterial:Q235 Q345 Technology:hot rolledFOB price:USD800-900 per ton Standard:JT/ ...