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> Well Drilling
> Well Workover
> Oil Bailing
> Wellbore Technical Services
> Other Technical Services
> Drill Pipe
> Drill Collar
> Mining Drilling Tool
> Hardbanding
> Internal Coating for Drill Pipe Series
> Internal Coating for Casing and Tubing Series
> Petroleum Pipe Anti-corrosion
> Corrosion Resistant Alloy(CRA) Lined Pipe
> Concrete Weight
> Line pipe inspection
> Seamless Steel Pipe
> Drilling Tool Joint
> Coating
> Hardbanding Wires
> Offshore petroleum Engineering
> Offshore Engineering Services
> Petroleum Tubular Goods Research Institute
> Petrochemical Research Institute
> Research fields
> Technological research initiatives
> Research Cooperation
> R&D Honors
Gather, Nurture, training a large number of which can create outstanding performance professional personnel for Hilong.
> Talent Values
> Salary and Welfare
> Training & Development
> Work Environment
> Hilong Staff
> Social Recruitment
> Overseas Recruitment
2017-07-06 Hilong Visits South China Sea ...
2017-06-13 First Successful Application o...
2017-06-05 Hilong Visits Pakistani Minist...
2017-06-05 Expansion, Partnerships & Win-...
Oil services
Drilling Tools
Tube Technology and Services
Offshore Engineering
Research institutes
2016A...
