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Zhangjiakou High-Tech Steel Pipe Co.,Ltd

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petroleum tubing and casing
petroleum tubing and casing
Specification: 73.02-139.70
Detail: We mainly produce ERW petroleum tubing and casing.the tubing¡¯s outside diameter is ¦Õ73.02-¦Õ114.3 ,the casing¡¯s outside diameter is ¦Õ114.3-¦Õ139.7 ,the grade of tubing and casing is H40,J55,K55,N80-1, N80-Q.
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