HANGZHOU RIWA CHEMICAL CO.,LTD is mainly engaged in chemical products' manufacture and trade--pigments - *dyestuff - (A)Dispers dyes (B)Acid dyes (c)Solvent dyes (D)Basic dyes (E)Vat dyes (F)Reactive dyes (G)Direct dyes (H)Fluorescent Brighterner *Intermediates - *Textile manufacture Organic, Inorganic, Azo, lake, Toner pigment and Solvent Dyestuff,

Hangzhou Riwa Chemical Co., Ltd.
Hangzhou Zhejiang
China

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