Shandong Zhongguan Group is located in Guan County, Liaocheng, Shandong, and has four subsidiaries. We both are the manufacturer and trading company, and the main products cover as follow: hot dipped galvanized steel sheet in coils, hot dipped galvalume steel sheet in coil, prepainted steel sheet in coils, corrugated steel sheet, cold rolled steel sheet in coils, and highway guardrail. We have passed ISO9001:2000 Quality control system authentication. If you are interested in our products, please feel free to contact us for more details.