Daqing High-Tech Industrial Development Zone Linqiang Petroleum & Additive Product Co., Ltd. is based in Daqing, the largest oil mining, production, and R&D base in China. Our factory, located in National Level High-Tech Industrial Park, covering an area of 40,000 square meters with the annual production capacity of 35,000 tons, is under particular protection of Daqing Petroleum Administration Bureau and Daqing Municipal Government for Substitution Industry of Oil Resources. We are also a high-tech petrochemical enterprise integrating the R&D, production, marketing, storage and transportation, and service. Our company has an excellent research team composed of a number of middle and senior professionals. We have cooperated with many oilfield research institutes. We have made a remarkable achievement in the field of product development, and fully meet requirements of International Standards Organization (ISO), American Society of Automotive Engineers (SAE), American Petroleum Institute (API), etc. We are ISO9001:2000 certified. Our brand  "Daqing", has gained the praise of many customers. Some of our products are exported to foreign countries. At the same time the environmental-protection lubricant independently developed by our company has obtained the national patent.