Zhejiang Yongquan Chemistry/Nanjing Longxi Chemistry Co., Ltd. is a comprehensive chemical enterprise integrating independent research and development, production, and sales. The factory is located in Youbu Characteristic Industrial Park, Lanxi City, Zhejiang Province, with a total area of 400 acres. It boasts a strong production team and advanced production technology.

　　 We specialize in the production of optical brighteners, pigments, and dye intermediates. Among them, optical brighteners and organic pigment series products are widely used in plastic products, textile printing and dyeing, chemical fibers, inks, coatings, paints, and other industries.

　　 Established in 1997, our factory is one of the early manufacturers of optical brightener products. Over the years, while consolidating the domestic market, we have actively expanded into the international market. Our products are exported to Japan, the United States, Germany, and other countries and regions, earning widespread praise from users at home and abroad.

　　 Guided by the corporate spirit of "embracing all rivers, being inclusive to achieve greatness, creating value, and serving society," and positioning ourselves for sustainable growth and maintaining a leading position in the industry, the company has evolved into a large-scale technological innovation enterprise with technology as the vanguard and core competitiveness.

　　 We have the confidence and capability to provide you with the excellent service you require.