More
> Drill Pipe
> Drill Collar
> Mining Drilling Tool
> Hardbanding
> Internal Coating for Drill Pipe Series
> Internal Coating for Casing and Tubing Series
> Drilling Tool Joint
> Coating
> Hardbanding Wires
> Well Drilling
> Well Workover
> Oil Bailing
> Wellbore Technical Services
> Other Technical Services
> Petroleum Pipe Anti-corrosion
> Corrosion Resistant Alloy(CRA) Lined Pipe
> Concrete Weight
> Pipeline inspection
> Offshore petroleum Engineering
> Offshore Engineering Services
> 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
2022-03-01 Two Hilong projects recognized...
2022-03-01 Hilong Oil Service successfull...
2022-02-11 Hilong Petroleum Product Techn...
2022-01-07 Hilong researcher awarded Zhan...
Oil services
Drilling Tools
Tube Technology and Services
Offshore Engineering
New Materials
2021A...