Send Inquiry
We specialize in plate downward welding flanges, necked downward welding flanges, necked butt-welding flanges, socket welding flanges, thread flanges, flanges cover, plate butt-welding loop flanges, necked butt-welding loop flanges.
Standard as follows: GB/T 9112--9124, GB/T 13402, JB/T 74--90, HG 20592--20635, SH 3406, ASME B16.5, ASME B16.47, MSS SP-44, JIS B2220, JIS B2238, BS 1560, BS 4504, DIN 2527, 2573, 2576, 2627--2638, 2673, 2552, 2653, 2655, 2656, 2641, 2642, 2565--2569.
