The company's core technology and products are big data driven high-precision complex oil and gas reservoir geological modeling - ultra-efficient production flow simulation - automatic history matching and process optimization system. In recent years, combined with artificial intelligence algorithm, a new model method and workflow of "data + physics" has been put forward, which realizes the deep integration of modeling, numerical simulation and big data technology. More than 130 complex and unconventional oil and gas reservoirs in and out of China have achieved unique and effective application.