Dear Madam/Sir, We are a main supplier of various acid dyes, food additives and water treatment chemicals from China. We have been exporting acid dyes, water treatment chemicals(PAA,PAAS) and ascorbic acid(vitamin c) etc to Europe. America and Asia from 2000. We are looking forward to developing mutually beneficial business relations with each esteemed customer from other countries. We will do our best to offer good quality of materials, competitive price and professional services to you. Please feel free to contact with us for your business needs. Thank you very much in advance for your timely mail.