Changqing Engineering Design Co., Ltd. (formerly Xi’an Changqing Technology Engineering Co., Ltd.) was established in April 1973. It is a national A-level industry surveying and design research unit and a pilot unit for EPC (PMC) by the China National Petroleum Corporation. In December 2000, it was restructured into a joint-stock enterprise, approved by the Ministry of Finance, China National Petroleum Corporation, and the Xi’an Reform and Development Committee. It is registered in the Xi’an Economic and Technological Development Zone and is recognized as an outstanding high-tech enterprise in Xi’an.
The company mainly engages in engineering consulting, surveying and design, general contracting, and the development of high-tech products for projects in oil, natural gas, petrochemicals, construction, electricity, telecommunications, machinery, automation, fire protection, and environmental protection. Its scope includes early-stage consulting, overall planning, feasibility studies, scheme design, preliminary design, construction drawing design, engineering surveying and measurement, and project cost estimation.
The company has the design capacity of 10 million tons/year for oil field construction, 20 billion cubic meters/year for natural gas construction, and 2 billion cubic meters/year for coalbed methane. It can design long-distance pipelines of over 3,000 kilometers, with an annual building design capacity of 1.5 million square meters. It has achieved comprehensive surveying of over 10,000 meters in depth, line measurement over 5,000 kilometers, and aerial surveys covering 180 square kilometers/year. Its budgeting capacity reaches an investment of 10 billion yuan/year. The company holds 51 various national A-level qualifications for general contracting, engineering surveying, and design and has passed certifications for quality, environmental, and occupational health and safety management systems.
The company has completed the design of China’s largest low-perm
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