Clean material warehouse, standardized production workshop, and professional design team ensure the quality of each of our springs.
Over the years, Lisheng has continued to develop and improve, and has successfully broken through the key technology of helical elastic retaining ring and wave spring washer, and the products have been unanimously recognized and praised by customers at home and abroad. We have introduced imported Japanese wave spring retaining ring machine and German wave spring retaining ring design software FERD, and have fully implemented SPC (statistical process control) and PFMEA analysis, and have obtained 5 software publications (wave spring machine and retaining ring machine), 1 invention patent and 23 utility model patents.
Lisheng is a supplier of parts for major national science and technology special projects, and a member of the Spring Branch of China Machinery General Parts Industry Association. We have developed the waveform spring of Mars Rover “Tianqian 1” together with China Academy of Space Technology, which has reached the surface of Mars.