4,4-diaminodiphenylamine-2-sulfonic acid 117-61-3

Hangzhou Tianya Industry Co., Ltd. is an enterprise dedicated to the research, development, production and sale of fine chemical products, mainly specializing in the manufacture of acid dyes and dye intermediates. As one of the major 4,4-diaminodiphenylamine-2-sulfonic acid 117-61-3 Factory and 4,4-diaminodiphenylamine-2-sulfonic acid 117-61-3 Suppliers of acidic anthraquinone dyes in China, Tianya has always adhered to the concept of innovative development, constantly innovating and paying attention to standardized production and quality control of products. Our products are mainly exported to Japan, Spain, Italy, the United Kingdom, South Korea, the Netherlands, Thailand, Mexico and dozens of other countries. In addition, Tianya has established cooperative relations with internationally renowned chemical companies, including the top 100 chemical companies in the world. Tianya has become an important supplier to these companies in the field of acid dyes in China.

Samples: Free samples are available, PSS can be sent to you before shipment. The quality of this item is very stable and once you confirm the quality we can deliver to you directly without PSS.
Tianya Industry is a fine chemical enterprise that engages in R&D, production, and operation of acid dyes and intermediates, which has obtained an ISO9001 certificate. Contact us freely for more details.