Flange manufacturer / supplier in China, offering High-Strength Anchor Flange DIN2631 DIN 10222-2 P280gh for Oil Pipeline Anchoring, High-Strength Anchor Flange DIN2631 DIN 10222-2 P250gh for Oil Pipeline Anchoring, High-Strength Anchor Flange DIN2631 DIN 10222-2 P245gh for Oil Pipeline Anchoring and so on.