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회사소개
Cangzhou Zhongyuan Steel Pipe Co.,Ltd. is located in Cangzhou city.We are the professional manufacture of seamless steel pipe,spiral steel pipe and ERW steel pipes,pipe fitting,etc.The seamless steel pipe production standard according to GB/T8162-1999,GB/T8163-1999,ASTM A53,ASTM A106,DIN1629 .The Spiral steel pipe production standard according to SY/T5037-2000,GB/T9711 and API5L.ERW steel pipe production standard according to GB/T13793,GB/T3091-2001,ASTM A53/A53M-05,ADTM A252-98.
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