BS1001 thaum lawv tseem Channel
Pre-Galvanized
BS1001 G
Khoom & Finish
Pre-Galvanized / PG / GI - rau sab hauv tsev siv rau AS1397
Lwm yam khoom & Finish muaj:
Kub Dip Galvanize d / HDG - rau siv sab nraum zoov siv BS EN ISO 1461
Stainless hlau SS304 / SS316
Zeb / me / tiaj Steel rau ISO 4995