Shenzhen Threenh Technology Co., Ltd. is a national high - tech enterprise, integrating R & D, production, sales and service in the field of photoelectric detection technology and color management. The company's source enterprise was founded in 1998, and it has long been specialized in the color management field. 3nh, Tilo and Sine Image are all registered brands of the company.
As a large - scale manufacturer of color difference meters in China, its main product series include TS series grating spectrophotometers, YS series grating spectrophotometers (portable/desktop), NS series handheld spectrophotometers, NH series portable colorimeters, and NR series handheld colorimeters. The Tilo - brand light cabinets have a large R & D, production and sales base, with long - term leading production and sales volume. The Sine Image brand provides image test charts, test software and solutions, including high - definition ISO12233 resolution test charts independently developed and produced, as well as a full series of other test charts, standard light sources, test software, etc. In addition, the company's gloss meters have a number of domestic innovative technologies, with the function of automatic switching between high, medium and low gloss, including the HG series and NHG series.