SPR-ing Technology Co., Ltd. is a technology-based company that integrates the research and development, design, manufacturing, dynamic frequency and stress testing, blade aerodynamic pressure parameter testing, and dynamic temperature testing services of slip ring lead devices and slip ring lead device components, process prism, and manufacture test chamber The company has successfully passed the national high-tech enterprise and national military standard GJB 9001C-2017 system certification, and has 5 invention patents, 15 utility model patents, and 3 software copyrights. It is currently the most complete research-oriented manufacturing enterprise in China that provides core technology support for slip ring electrical appliances, test chamber and prism. Its core products include high-speed conductive slip rings, micro conductive slip rings, and long-life conductive slip rings, prism and test chamber. At the same time, it provides high-end slip ring products, prism and test chamber. The company has its own precision manufacturing laboratory, slip ring friction pair proportioning laboratory, high-speed slip ring lead off device laboratory, and fine chemical additive laboratory, specializing in research in four professional fields: precision mechanical manufacturing, electrical contact materials, electrochemistry, and dynamic frequency dynamic stress testing. Dynamic frequency and dynamic stress testing mainly serve core testing machines and core rotor testing for aircraft engines or gas turbines, test chamber laborary, prism processing work-shop.