Yiwu Cheng Ya Cosmetics Co., Ltd. founded in 1992, and is located in Yiwu,Asia's largest trading center city, It specializes in cosmetics research and development, production, OEM, OBM processing and custom trade. It provides customers with a full range of products. OME, OBM processing customized services and sales of hair dyeing, hair caring for dyeing & perm, shampoo, hair styling and other products.