Seamless steel tubes para sa low and medium pressure boiler - Gold Sanon International Co., Ltd.

Seamless steel tubes para sa low and medium pressure boiler

GB 3087 standard na seamless boiler alloy steel pipe

Seamless Boiler Alloy Steel Pipe Na May IBR Certification Low Pressure Medium Pressure Para sa India Market Hot Sales

GB/T 3087-2008: 10# steel, 20# steel

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