Ground engineering services: including, but not limited to: dismantling the wellhead, the recovery has been buried pipeline, oil sludge treatment, solid waste treatment, land rehabilitation, and so on;
Ground engineering and technical services: including but not limited to: removal of wellhead, recovery of buried oil pipes, treatment of oil sludge, treatment of solid waste, land re-cultivation, etc.
Surface engineering technical services: including but not limited to: demolition of wellhead, recovery of buried oil pipe, treatment of oil sludge, treatment of solid waste, land rehabilitation, etc;<br>