4mm 금속 체커 플레이트 공장 3004 5086 5083 3003 미끄럼 방지 체크 무늬 양각 알루미늄 합금 시트 플레이트

This is an Arab factory construction procurement project, with the purchaser being a construction company responsible for building and ventilation construction Our company mainly purchases galvanized steel coils for manufacturing ventilation ducts and flanges, galvanized color coated coils and corrugated boards for building roofs. This is a long-term cooperative customer of our company