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The casing coupling was introduced in 1994.

Pipe coupling sets
Pipe coupling sets



Casing collar
Casing collar



Casing collar
Casing collar



Casing collar
Casing collar



Casing collar
Casing collar


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Tianjin Jinggong Petroleum Special Pipe Fittings Co., Ltd.
The company advocates: health, safety, environmental protection of the business philosophy, wholeheartedly with the vast number of domestic and foreign users, common development...