About Us
Hiwa (www.unicflow.com)----TUV CE and SGS ISO9001 Approved Valve and Pipe Fittings Manufacturer in China. Our key products as:
1.BS EN545, ISO 2531 Ductile Iron Pipe Fittings
2.Rubber Expansion Joint, Flange Adaptor and Dismantling Joint
3.ANSI B16.9 Butt-Welded Pipe Fittings
4.Ductile Iron Grooved Fittings
5.Industrial Valves
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Select Hiwa, Select High quality products with competitive price.