Pipe Fittings, Flanges, Valves manufacturer / supplier in China, offering A105 Carbon Steel Ball Valves/Stainless Steel Ball Valves Best Prices, DIN2501 2502 2503 2527 2543 2573 2576 DIN2673 DIN2635-DIN2631 Pn10/Pn16/Pn25/Pn40/Pn64 Forged Flat Face FF/Raise Face RF Rtj Plate Flanges, Seamless Carbon Steel Butt Welded Pipe Fittings Bw Fittings and so on.