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SHENSHI Copper Pipe Double Wall Condenser Coil Coaxial Heat Exchanger
10YRSHangzhou Shenshi Energy Conservation Technology Co., Ltd.
Gas Pipe/Oil Pipe ASTM A106/API 5L Carbon Seamless Steel Pipe
7YRSTianjin Youfa International Trade Co., Ltd.
seamless steel pipe with small outside diameter carbon seamless steel pipe
8YRSTianjin Youfa International Trade Co Ltd
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