... .galvanized 3.powder coated 4.special shape Galvanized Highway Guardrail Shandong Zhongguan Group is located in Guan County, ... galvalume steel sheet in coil, prepainted steel sheet in coils, corrugated steel sheet, cold rolled steel sheet in coils, and highway guardrail. ... finished,chromated,oiled, fingerprint resistance Application:steel guardrail used on the highway.it provides a visual and physical ...