HANGZHOU PANYU CHEMICAL CO.,LIMITED/SYNTECH PHARMACHEM CO.,LIMITED established in 2010. We dedicated to the development, marketing and distribution of Active Pharmaceutical Ingredient, intermediates, natural products(extract), fine chemicals, food additives, agrochemical etc. We have wide contacts and the necessary knowledge about the know-how and technical capabilities of our manufacturing partners. We provide outsourcing, laboratory support, audit,export logistics service and custom synthesis under confidential agreement with customers. Ou...