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Last update: 2021/07/06
D2006,TOPBOX,Beichen West Street No.69,Chaoyang District, Beijing, China,100029
28F,2/B Building,Haijing International,Economic &Technological Zone,Xi’an city ,Shaanxi Province, P.R.China
Trunnion valve ball Trunnion valve ball Drill collar Drill collar Thermal Desorption System Thermal Desorption System SQ-A Setting-Ball Carrier Assembly SQ-A Setting-Ball Carrier Assembly Mud Recycling system Mud Recycling system
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