Gu Xinyi, an expert in oilfield mining machinery, is an academician of China Academy of Engineering. A new type of pumping unit-chain pumping unit with long stroke, large load and low energy consumption was developed and won the National Science Conference Award. He presided over the development of "Shengli No.1", China's first shallow sea bottom drilling ship. He presided over the development of "Shengli No.2" walking bottom drilling platform in extremely shallow sea, and won the gold medal of China invention patent. Organized and developed the hydraulic energy storage workover rig, and won the gold medal of China patent, American patent, Canadian patent and China patent respectively.