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HEBEI TONGCHAN: China Manufacturer with main products:butterfly valve , gate valve , check valve , ball valve ,global valve ,air valve , foot valve ,Y-strainer ,T-strainer ,resilient valve ,metal valve ,DIN3352 F4 gate valve ,BS5163 gate valve ,iron valves ,steel valves ,seamless pipes ,seamed pipes ,A53 GR.B pipes ,A106 GR.B pipes ,API 5L pipes ,butt-welding pipe fittings ,forged steel pipes fittings ,grooved pipe fittings ,casting threaded pipe fittings , malleable iron pipe fittings ,iron pipe fittings ,steel flanges ,ANSI B16.5 flanges , A105 flanges , SS304 flanges ,SS316 flanges ,welding neck flanges ,slip on flanges ,blind flanges ,elbow , cap ,tee ,reducer , socket ,SCH40 nipples ,coupling ,union ,bushing ,rubber expansion joint , flexible joint , metal bellow , flange joint ,GI fitting , WPB fitting ,A105 fitting , 150LB fittings ,wafer butterfly valve , lug butterfly valve , double flanged butterfly valve , brass valves ,bronze valves