Tianjinli integrates the green concept of energy saving and environmental protection to launch: thermal discoloration materials, photochromic discoloration materials, optical discoloration materials, anti-counterfeiting fluorescent materials and other functional materials. Products are widely used in children's education, anti-counterfeiting identification, color impact, education and medical care, beauty makeup and skin care, food packaging, smart wear, power facilities and many other industries. The company has obtained Shenzhen and the national high-tech qualification certification, and has more than 20 invention and application patents, formed a strict internal management system and market development, product application, marketing planning and other core structures in management, and passed the ISO:9001 and HIC quality management system certification. Our products and services have won recognition and affirmation from many authorities and customers.