3 nh, TILO, going image (three well, days woori, maggie) is registered in the company's brand. Shenzhen three grace technology co., LTD. (www.3nh.com) is a national high-tech enterprise, by color test industry well-known trademarks "three chi" and "days woori" when, geographical and human conditions makes integration of big brand enterprise. The company the source of the enterprise was founded in 1998, for a long time, the specialty is engaged in the color management in the field of research and development, production, sales and service. 3 nh is domestic large colored differential gauge of research and development, production manufacturers