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Hangzhou Tianya Industry Co., Ltd. is a fine chemical enterprise that engages in R&D, production, and operation of acid dyes and intermediates, which has obtained ISO9001 certificate. Our factory is located in Jiujiang, Jiangxi Province, who produces Bromaminic acid, 2-Amino-5-Nitro Phenol and acid dyes. As one of the largest manufacturers of acid anthraquinone dyes in China, we emphasize on credit and quality and strive to serve the clients wholeheartedly. Thus we establish a favorable reputation both at home and abroad.