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Zhejiang Purple Light Technology Ltd. is located in national Hi-Tech Zone R&D Park, Ningbo,China, and is a technological and innovational enterprises, specialized in high-tech optical products R&D, production and sales. The company attaches great importance to scientific research and development, and has won a number of national invention patents so far. The Company’s R & D personnel develope the ultimate Anti-UV PET optical film, that make a great success, and acquire completely independent intellectual property rights of the "Totally anti-ultraviolet, anti-fatigue and anti-malignant melanoma optical film" be honored patent license by the State Intellectual Property Office (Patent No.: ZL 2010 1 0169715.1, the International Patent Classification Number: C08L 33/04).

The invention patent is the breakthrough of The rejection of UV (380-400 nm) τMAX band radiation, and fill the blank of global optical film in Anti-Total ultraviolet (UV400), and lead to the function of the optical film materials to expand the protection of human health. the window film on the basis of the production is widely used in global market. Through the large-scale applications of the inventional technology, that achieve positive social and economic benefits, thereby establish Zhejiang Purple Light Technology Ltd. ranking the top in the technology area of Anti-UV, and also the production of anti-UV radiation PET film situates at the head of the domestic industry, and leading position in the international same industry.

Though 3 years’ working hard, the company successfully develop the new manufacturing technology, "6+1" Hot-Melt, which makes the PET raw materials is integrated multiple functions such as anti-UV, heat insulation and others, has changed the traditional window film production process, solve disadvantages of traditional production process , and greatly improves the product quality and the qualified rate. Once "6+1" Hot Melt film into market, it shocks industry with good reputation, and product sales is quickly covered nationwide, and exported to Southeast Asia, the Middle East, the Americas and other global markets.