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Professional ful lbore, full opening, Drill Stem Test(DST) tools manufacturer

Baoji Changyou Petroleum Equipment Co.,Ltd.

Add:No.128 Gaoxin Road,Baoji Shaanxi, China

Post code:721000
Tel:+86-917-3239335
Fax:+86-917-3801916

E-mail:sales@cyoiltools-mfg.com

     changyou--_dst@vip.163.com




 


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