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JST7/8 High-Temperature, High-Pressure Gas-Sealed Threaded Oil Casing Pipes

Structural features: It adopts a variable-taper design with cone-to-cone sealing

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YAN'AN JIASHENG PETROLEUM MACHINERY CO., LTD

Address: Yan'an High-Tech Industrial Development Zone, Shaanxi Province

Phone: +86-911-2515900

Email: official@yananjs.com

Sales Department Manager: Zhou Haina

Phone: +86-15029113311

HR Manager's Phone: Gao Meicui

Phone: +86-13892212446