Company news
Trust Transitivity and Quality Protection
April 2, 2019
If you want to do a good job, you must sharp your weapon first. After more than 30 years of development, depending on good quality and technology innovation, Changyi has grown from an unknown small enterprises into a well-known enterprise in the domestic oil and gas gathering and transportation industry. The Changyi’s products are sold at home and abroad.
The main domestic market region of Changyi is distributed in major oil and gas producing areas: Sichuan-Chongqing areas, Shaanxi-Gansu- Ningxia areas, Xinjiang areas, Qinghai areas, and Songliao Basin, as well as more than 20 provinces, municipalities and autonomous regions through which the gas pipeline passes. Application achievements are National West-East Natural Gas Transmission Project, Mid-Asia Pipeline Project, China-Burma Gas Pipeline Project, Tarim gas Field, Changbei gas field developed by Dutch Shell, Ordos gas field devopled by France Dahl, Northeast Sichuan High Sulfur gas field devolved by Chevron, Longgang Gas Field, Sinopec Puguang High Sulfur Gas Field, Yuanba Gas Field, Sino-Austrian Cooperation Guangdong LNG Project and other National Large and Important project. The major foreign market is Turkmenistan, Uzbekistan, Kazakhstan, Niger, Chad, Myanmar and other countries and regions. Besides, Changyi is PetroChina first-class supplier, Sinopec qualified supplier and one of the long-term qualified suppliers of China Nuclear Group.
Good sales performance depends on customer recognition which is from the customer's trust in the quality of our products and from the company's pursuit and protection of excellence product for more than 30 years. At present, the qualifications obtained by the company are as follows: National Manufacture License of Special Equipment (A1/A2/B class pressure pipe components; A1/A2/B class safety accessories and safety protective equipment; A1/A2 Pressure Vessel), National Design License of Pressure Vessel (D1/D2 class pressure vessel), National Installation Renovation and Maintenance License of Pressure Piping Components (GB1, GC2), GB/T28001 certification, National Industrial Production Permit of gas pressure regulating box and cabinet,  Self-Support Imports and Exports Certificate, ISO9001, ISO14001, GB/T28001, EJ/T9001(Nuclear Industry Quality Management System Certificate), EU CE Certificate, EAC Certificate of Russian-Kazakh-Belarus Customs Union, API 6D Certificate, API 6FA certificate, ISO15848 certificate and others.
Perfect comes from excellent product, and excellent product comes from high quality. The strong Qualification certification and high quality make customers to buy and use our products at ease.
Warmly welcome friends from all over the world to visit and cooperate with our company!