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a106 grade b line pipe

Ministry of Commerce of the P.R.China - China Commodity Net

Casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells, or well bore. It is inserted into a well bore and cemented in place to protect both subsurface formations and the wellbore from collapsing and to allow drilling fluid to circulate and extraction to take place.

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Ministry of Commerce of the P.R.China - China Commodity Net

ASTM A193 Grade B7/B7M ASTM A320 Grade L7/L7M SAE J429 Grade 2/5/8 DIN 975 Class 4.8/8.8/10.9 ASTM A193 Grade B16 ASTM A193 Grade B8/B8M ASTM A320 Grade B8/B8M Heavy Hex Bolts ASTM A193 Grade B7/B7M ASTM A193 Grade B8/B8M ASTM A320 Grade L7/L7M ASTM A320 Grade B8/B8M ASTM A307 Grade B Hex Bolts ANSI Grade 2/ Grade 5 / Grade 8 ASTM A307 Grade A

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Implementation Measures of the Ministry of Construction on ...

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Promulgation Date:2003-04-08 Promulgation Number:e02885,e00560,e02169,e015852003040820030408The Ministry of ConstructionCircular of Printing and Distributing the Implementation Measures of the Ministry of Construction on Qualification Administration in the Administrative Provisions on Enterprises Management of Construction …

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Grade A level boiler manufacture Dongfang Electric Machinery Company Limited ... Machinery, Electric control equipment, Fire fighting and Water supply system, Water feeding and drainage pipe, Auto-water supply equipment, Dredge equipment, Agriculture machiner ... parquet flooring production line, wooden door press, furniture series press and ...

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