The leading members of upper helenine have long been engaged in the development and application of equipment in the field of online surveying in germany. The successful combination of technological innovation in germany and industrial on-site applications in china resulted in the development and manufacture of online measuring equipment suitable for industrial field conditions in china and the customization of water-bearing measurement solutions for customers. Companies are rated high-tech enterprises at the national level, with multiple patents and multiple software copyrights. The main products are online microwave near-infrared hydrometers, and laboratory rapid hydrometers。