Fairplay: Before 1968, human beings were subject to manual timing on the 100-meter dash, even the increment of 0.1 seconds was difficult to be recorded. After electric timing was used, every bit of increments of the world record has become more precise, with an evolution of 0.01 seconds.In the early years, Fairplay R&D team studied electric timing in their free time.After their unremitting design and experimentation, they succeeded in producing the first photo finish device in 1999.They set up a brand named ”Fairplay” in 2000, dedicating to producing the equipment of sport competitions.

Ruiliheng:Since 2002, Fairplay has started to provide equipment and services for the PE examinations and physical fitness testing. To date, it has provided professional equipment and services for physical education tests, sports examinations, and physical fitness testing in various regions across the country. In 2019, in order to provide better professional equipment and services, a new brand "Ruiheng" was established. The meaning of RuiLiheng draws inspiration from "smart (Rui),strength(Li), and persistence(heng)". It hopes to lay a foundation of enhancing strength scientifically, so that students can get a long-lasting healthy body, which reflects the wonderful blessings of the brand's founders for numerous students.