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  • Welcome to CHINACOAT 2019 Exhibition

    November 18-20, 2019, China International Coatings Exhibition / China International Surface Treatment Exhibition will be held at the Shanghai New International Expo Center (SNIEC). Shenzhen ThreeNH Technology Co., Ltd. will soon be appeared......【Click Details】

  • Welcome to CHINAPLAS 2019 Exhibition

    Shenzhen ThreeNH Technology Co,.Ltd will attend CHINAPLAS 2019 Exhibition., our booth number is 8.1D75. 3nh Spectrophotometer, Colorimeter, Densitometer, Thickness guage, Gloss meter, Color light box and Color card will be displayed on the......【Click Details】

  • Color measurement knowledge - color measurement principle

    Portable Spectrophotometer is an instrument for producing or recording a spectrum and measuring the photometric intensity of each wavelength present, esp such an instrument used for infrared, visible, and ultraviolet radiation. Color is a p......【Click Details】