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Steel Pipe we produced conform to international standards such as: ASTM, JIS, BS, EN, GOST, AWWA, DIN, UNI,ANSI and ISO. The mills are approved with EN10217, EN10219 certificateand ISO9001:2008 Quality Managem. 
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  Hunan Gaoxing Steel Development Zone, No.1888 Purui South Rd, Wangcheng District,Changsha, Hunan, China

  0086-187-7406-7534

  inquiry@threewaysteel.com

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