Achieve Fine Chemicals
de Hong Kong, China
Asia Dyestuff Industries
de Bangkok, Tailandia
Asiatic Color-Chem
de Ahmedabad, India
Christy Catalytics
de St. Louis, Estados Unidos
Delta Trade Intl.
De Londres, Reino Unido
Gulbrandsen de Lincolnshire,
Reino Unido
Hangzhou Head Chemical Company Ltd
de Hangzhou, China
Hangzhou Multicolour Chemical Co. Ltd.
De Hangzhou, China