gost 12821 80
GLEN Flange supplies GOST / ГОСТ 12820-80 flanges, PN6 PN10 PN16 PN25 flanges, gost standard flanges to shipbuilding and offshore industry. We're one of the leading GOST (ГОСТ) 12820-80 Flanges suppliers in China, approved by LR, DNV-GL, ABS, BV and KR to guarantee quality meeting marine level. We also accept customized orders. Welcome to check the price list and quotation with us.