Development Of Downhole Tools (Chinese companies list)

Business scope: Installation And Sales, Installation And Sales, Design Of Plastic Products, Development Of Downhole Tools, Sales Of Steel,

Business scope: Rental And Maintenance, Directional Well, Pipe Crossing Project Construction, Perforation, Drilling Equipment, Drilling Fluid, Directional Well Operations, Drilling Speed Up, Demolition Service, Completion, Drilling Accessories, Geosteering, Drill Collar, Well Workover Engineering Construction, Drill Pipe, Development Of Downhole Tools, Import And Export Business Of Goods And Technology, Oil Prospecting, Drilling Engineering Construction, Near Bit, ...