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SHENSHI Copper Pipe Double Wall Condenser Coil Coaxial Heat Exchanger
10YRSHangzhou Shenshi Energy Conservation Technology Co., Ltd.
high corrosion protection hot rolled black carbon welded steel round pipe
5YRSTianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd.
Nylon cutting processing, insulation material processing, resin product processing
6YRSDalian Runsen Precision Machinery Processing Co., Ltd.
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