Yantai Xianhao Vacuum Technology Co., Ltd.,Longkou Zhengda Vacuum Machinery Co., Ltd. is a global vacuum application solution provider, and high-tech enterprises that research, develop, produce, sell and provide technical services for various vacuum application equipment, semiconductor equipment, electronic production equipment, photoelectric equipment, new energy equipment and supporting facilities. It focuses on the research and development and application of manufacturing process and application technology, control software, process flow control software and related production automation software of equipment and products, and provide technology transfer and technical services.It provides customized and specialized vacuum equipment and process solutions for customers in different industries.