Profile: Suzhou Rong Yida Chemical Co., Ltd. is specialized in producing textile auxiliaries, leather chemicals, pesticides, and paper auxiliaries. Our main products include sodium butyl naphthalene sulfonate, re-tanning agent, composite tanning agent, and dispersant. Sodium butyl naphthalene sulfonate is mainly used as penetrant & wetting agent, emulsifier, and softener in rubber industry. In paper industry, it is used as moist wetting agent, color lakes, and chemical fertilizer. Composite tanning agent is a white powder ingredient, and it is applied to the upper layer of leather & leather sectional, and white leather uppers re-tanning.