标准
AISI认证, ASTM, bs, 中国DIN标准, 国标, JIS
color
blue, white, red, ral
surface
chromated, color coated, anti-finger, etc
Corrugated Metal Roofing
Corrugated Metal Roofing
color corrugated sheet
color corrugated sheet
galvanized corrugated steel supplier
galvanized corrugated steel supplier