Hangzhou Tianya Industrial Co., Ltd. is a professional manufacturer of acid dyes and dyestuff intermediates. Our strong products: Acid Blue 25, 40, 62, 129, 225, 260, 281, 317, 324, 350 Acid Violet 48 Acid Green 73 Acid Orange 33 Acid Yellow 59 Acid Red 315 Acid Black 207 Bromamine Acid (Dyestuff Intermediate) Any interest, please feel free to contact us : Grace@hzyijiang.com Mobile/Wechat/Whatsapp : +86-15700092495