In the form of overall oil production business contracting, SCP has provided services to Liandaowan Operation Area of Changshi Group in Changqing Oilfield since July 1, 2013. This operation area is located in Liandaowan Township, Ansai County, Shaanxi Province, with an area of 120 square kilometers. The main business covers daily production management of oil and water wells, maintenance operations, safety and environmental protection management, equipment and facility maintenance, well logging and testing operations, transportation and pipeline transportation, water injection, oil and gas processing, flood prevention and control, winter insulation, mining rights management and protection, etc. There are 52 oil well stations and 31 water injection stations in the operation area.