Business scope: Equipment,
Manufacturing And Sales,
Activities Supporting Oil And Gas Extraction,
Tool Joint,
Steel Sales,
Repair,
Insulated Pipe,
Repair,
Tubing,
Drill Collar,
Drill Rental,
Manufacture,
Weighted Drill Pipe,
Metal Surface Treatment,
Drill Pipe,
Own House,
Sucker Rod,
Oil Drilling Tool Processing,
Coating,
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