What about Chengdu Southwest Drilling Company?

Chengdu Southwest Drilling Company is very good. The business scope of Chengdu Southwest Drilling Company is: engineering technical services for oil and gas exploration and development and ground construction (including drilling, completion and workover operations and development of stimulation measures), research and development and promotion services for new technologies, research and development, production, sales and related technical services for new equipment, new products and new materials, technical consultation and technical training. Safety, environmental protection and quality inspection services, sales and maintenance of equipment, materials and accessories related to oil and gas field exploration and development. Engaged in the import and export of goods and technologies (projects subject to approval according to law can only be carried out after approval by relevant departments).