Positioned in Pudong New District, Shanghai - the international science, technology and financial center of China, Shanghai Huzheng Nanotechnology Co., Ltd. was established by members of nano-technological research experts team formed by both here and abroad who have been engaged in this field for many years. With a global vision, we set our foothold in Asia and take root in Shanghai, to integrate R&D, production and sales, as well as pool a great source of first-class scientific research talents and management teams from around the world. Based on independent innovation, we have successfully developed nano-level (0.2nm-20nm) powders, colloids and liquors products with Au, Ag, Pt and Cu, as well as nano metal oxide such as SnO, Tio2, ITO, and ATO. Currently we have produced and sold full-range indoor air purifying products