Shaanxi Yanchang Petroleum Yan 'an Energy & Chemical Co., LTD., a wholly-owned subsidiary of Yanchang Petroleum Group, is located in Fuxian Industrial Park, Yan 'an City, Shaanxi Province. It was established in September 2009 with a registered capital of 6.5 billion yuan and more than 1900 employees. The company was honored as the Advanced Collective of Shaanxi Province, the State-owned Enterprise Civilized Unit of Shaanxi Province in 2019, and the Advanced Collective of Yan 'an City. The "Intelligent Energy Metering Management platform" developed and constructed by the company was awarded the "2020 Energy resources Metering Demonstration Project" by the State Administration for Market Regulation and the National Development and Reform Commission.

In recent years, our company's coal weighing machine has been used as the host of similar equipment, and the equipment has been running normally and stably, and the owner has given it a high evaluation.