Double happiness company Shanghai specialty store. According to the query results of Baidu map, the branch of Double Happiness Company is located at No.258, Manufacturing Bureau Road, Huangpu District, Shanghai. Shanghai Double Happiness Co., Ltd. is an internationally renowned sports equipment manufacturer. Its products are mainly table tennis, badminton, weightlifting and other sports equipment, including three big balls, sports shoes and clothes, small pieces of fitness equipment and other sports goods.