Shangyu Long Yu Chemical Co., Ltd.   

Shangyu Guangming Long Yu Chemical Industry Co., Ltd. is located in Shangyu Bay Hangzhou Fine Chemical Industrial Park. Founded in 1986, it specializes in producing all kinds of high-grade and environment-friendly acid dyes. The company produces.5000 tons of water-soluble dyes annually. The company has strong technical strength, and has nearly 30 senior and senior engineers and technicians. It employs more than one dyestuff and experts in intermediate synthesis and application, and invites overseas experts to serve as technical advisors, various kinds of testing and testing equipment. The company produces nearly 50 kinds of dyes, nearly 10 intermediates, especially acid, neutral series of dyes, chromatography, product quality. The products are mainly used for dyeing and printing of wool, silk, leather, nylon and brocade / cotton / brocade / silk blended fabrics. The quality of products is advanced internationally and internationally, and the products are sold well overseas. The company has passed the IS09000 quality management system certification and IS14000 environmental protection system certification. In 2000, it joined the American textile chemist and Dyer Association (AATCC), and the member of Zhejiang Dyestuff Industry Association, member of China Dyestuff Industry Association.