"dx53d galvanized decorative steel sheet"

แผ่นเหล็กชุบสังกะสีแบบจุ่มร้อน ASTM DX51D DX53D 4 มม. สำหรับหลังคาตกแต่ง

Galvanized Steel Sheet & plates Galvanized steel plate is to prevent the surface of the steel plate from being corroded and prolong its service life, and the surface of the steel plate is coated with a layer of metal zinc Due to thE different treatment methods in the coating process, the galvanized ...