Welex Chemicals Limited is a professional chem-pharm trading company. Established in 1975, Welex has built an extensive network for the prompt and efficient sourcing of raw materials to all around the world. We are specialized in providing the best and most cost-effective chemicals and pharmaceutical raw materials available from China. Welex also posts a free monthly newsletter focus on the pharmaceutical industry in China on the internet. Welex Chemicals Limited is a professional chem-pharm t...