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Hebei shengtian pipe-fittinggroup ,ltd. is a pipe fitting factory that produce pipe fittings, Carbon steel pipe fittings, butt welded pipefittings, seamless pipe fitting, straight seam pipe fittings, flange and steel pipes. As a pipe fitting wholesaler and factory, weare capable of supplying various pipe fittings.seamless pipe fittings supplier,seamless pipe fittings Galvanized Seamless Pipe Hebei Shengtian Pipe Fitting seamless pipe fittings supplier,seamless pipe fittings-Shengtian Pipe fittings Group Before 1976, China carried out the planned economical system. The state-owned enterprises occupied the absolute control over economy. The private enterprises had almost no living space.