Shanghai HuZheng Nanometer Technology Co., Ltd. is a technical enterprise dedicated to the research and development, production, and sales of nano-functional raw materials. It has developed a series of more than 200 products centered around GTO thermal insulation media, including transparent glass thermal insulation coatings, PVB thermal insulation films, thermal insulation skylights, nano-functional textile auxiliaries, and nano air purification agents. The products and services of "HuZheng" are applied in various fields such as construction, automobiles, chemicals, textiles, electronics, and environmental treatment, leading the industry. The products are sold to over 20 provinces and cities in China and more than 30 countries in Southeast Asia, the Middle East, North America, South America, and Europe, and have received consistent praise from users.