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. The company was founded by Chang Chih Lung in 1962 and is headquartered in Hong Kong.