RESERVOIR INDUSTRY
Processing and repair of drill rods, drill collars, joints, kellys and sleeves.....
PETROLEUM INDUSTRY
Processing and repair of drill rods, drill collars, joints, kellys and sleeves...
METALLURGICAL INDUSTRY
Processing and repair of drill rods, drill collars, joints, kellys and sleeves...
HYDROPOWER CHEMICAL INDUSTRY
Processing and repair of drill rods, drill collars, joints, kellys and sleeves...
GEOLOGICAL EXPLORATION INDUSTRY
Processing and repair of drill rods, drill collars, joints, kellys and sleeves...