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SHENSHI Marine Copper Tube-in-Tube Single System Corrosion-Proof Ships Heat Exchanger
10YRSHangzhou Shenshi Energy Conservation Technology Co., Ltd.
Supplier of rectangular tube for structure
5YRSTianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd.
Pre galvanized round steel tube factory
5YRSTianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd.
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