GLEN Flange supplies high quality and durable BS 4504 flanges PN6-PN64 to shipbuilding and offshore industry, also accepting customized orders. As a professional BS 4504 flanges PN6-PN64 suppliers in China, our factory and manufacturer have been approved by LR, DNV-GL, ABS, BV and KR to guarantee quality meeting marine level. Please be free to get the price list and quotation with us.