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Persona de contacto Ms. li

祁连山路37号, Dongying, Shandong

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Description

 

Together used with the bottom hole regulator, during water injection, tubing casing pressure difference makes liquid enter rubberbarrel and inner chamber of center tube to expand and seal rubber barrel to reach purpose of separate zone water injection.During shut-in , rubber barrel is recovered . Mould pressing rubber barrel can be repeated by more than **0 times of expansionwithout damaged.

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Ms. li < Zhaoxin Industry & Trade Company, Ltd. >

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