Jingyi Technology focuses on water quality testing instruments. Materialist industrial design helps it to make breakthroughs and innovations in product appearance design and structural design, the integrated curved surface on the back, and the dot texture that enhances friction. The whole machine has no leakage screw holes while still ensuring its IP67 protection grade dustproof, waterproof and seismic performance. The optimized layout of the operation keys makes the operation more intuitive.