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Yuhuan Brass ball valves, gate valve, globe valves, check valves,temperature control valves, balance valves, filters, pp-R copper ball valve, aluminum-plastic tube copper ball valve, temperature-controlled copper ball valve, copper lock valve, heating three-line regulating valve, exhaust valve, water collector, thermostatic control valve, central air-conditioning bellows, air conditioning electric two-pass valve, gas valve, gas valve, mixed water device,Pressure relief valve, butterfly valve, filter, faucet, hot water nozzle, plug valve, copper pipe fittings, raw tape, copper joint of aluminum-plastic pipe。
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