ChemWerth, a US-based supplier of APIs to the generic drug industry, has added Tianjin Tianyao Pharmaceuticals Co., Ltd. to its list of manufacturing sources. ChemWerth will represent Tianjin Tianyao’s corticosteroid API, which has FDA GMP approval. Tianjin Tianyao is the largest exporter of corticosteroid bulks in Asia and has chairman status with the China steroid hormone association. More details...