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Flanges, Valves,and more Hardware products. our
flanges standard : ANSI B16.5 150LBS /300LBS/600LBS / 900LBS /1500 LBS, ASA API-605 AWWA C-207 MSS SP.44 ,
DIN 2527/2573/
2576 /2502 /2503 /2632 / 2633 / 2634 /2635 /2636 /2637 /2638,BS4504 PN6/PN10/
PN16......
