Evergreen Products Group Ltd. is an investment holding company, which engages in the design, manufacture, and sale of hair products. Its products include fashion, lace, and Halloween wigs, hair pieces and accessories, hair extensions and weaving, men's wig and toupee, moustaches and beards, doll wigs, and costumes. It operates through the following geographical segments: The United States of America, Germany, Japan, The People’s Republic of China, The United Kingdom, and Others. The company was founded by Chih Lung Chang in 1962 and is headquartered in Hong Kong.