Hiwa ----TUV CE and SGS ISO9001 Approved Valve and Pipe Fittings Manufacturer in China. Our main line as the following:
Ductile Iron Grooved Fittings---Grooved Rigid Couplings, Grooved Flexible Couplings, Grooved Elbows, Grooved Tee, Grooved Cross, Grooved Mechanical Tee and Cross etc.
BS EN545, ISO 2531 Ductile Iron Pipe Fittings : Flanged Spigots, Double Socket 90Bends, Double Socket 45 Bends: All socket Tee and Cross , Double Flanged 90 Bends, Double Flanged 45 Bends, All Flanged Tee...
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