He has 35 years of experience in the development and management of screw compressors and vacuum pump industries. He has served as assistant to the general manager of SULLAIR Asia Co., Ltd. and president of North American Compression Technology Corporation. Zeng was the first to develop a commercial screw vacuum pump. There are a number of patents for screw compressors and vacuum pump systems. Good at developing various oil-free screw compressor systems, drilling compressor systems, natural gas screw compressor systems, oil-injected screw compressor systems, turbo compressors, and compressor system software.