3nh is a large-scale manufacturer of color difference meter in China. Its main products series include: TS series grating
spectrophotometer, YS series grating spectrophotometer (portable / desktop), NS series handheld spectrophotometer, NH series portable colorimeter, NR series handheld colorimeter; Tilo brand light cabinets has a large R & D, production and sales base, and its production and sales is always in the leader for a long time; Sine Image is one brand of the company to offer image test chart, test software and solutions, including the independent R & D and production high-definition iso12233 resolution test chart and other full series of test chart, standard light sources, test software and test solutions etc. Sine Image has a professional image test laboratory. And 3nh also has many domestic innovative technologies for gloss meter, with high, medium and low gloss automatic switching function. It includes large screen economic HG series, large touch screen NHG series with glossy board calibrated function, economic digital YG series.