FN flange Ceev
zinc Plated
FN Z
Khoom & Finish
Zinc Plated - rau sab hauv tsev siv rau BS EN 12329
Lwm yam khoom & Finish muaj:
Kub Poob Galvanized / HDG - rau sab nraum zoov siv rau BS EN ISO 1461
Tus Hlau Stainless SS304 / SS316
Zeb / me / tiaj Steel rau ISO 4995