在线看片无码高清一级_亚洲高清av动态图_全裸欧美一级黄片_高清国产免费资源在线视频

Welcome to GESS Parke gas technology!
Chinese  |  English

Industry application

Over the years, GP has devoted itself to high-tech industries such as laboratory research institutes, semiconductor chips, photovoltaic solar energy, LED, LCD flat display, optical fiber manufacturing, biomedicine and so on, providing customers with high-purity gases, ultra-high purity special gases, bulk gases, high-purity chemicals pipeline transportation systems, as well as laboratory furniture design, installation and dust-free clean room design and installation services. 。  GP's technical service team aims to create tremendous value for customers through honest, hard and creative labor technology.