As for your double happiness, 10 12 is an all-aluminum racket, and 209 is an aluminum-carbon racket. They are better than 10 12.

Double Happiness is a brand of sports equipment, which was born in 1959 and named after Zhou Enlai. China Trademark Network shows that the trademark "Double Happiness" belongs to Shanghai Double Happiness Co., Ltd., with application number 1232279, application date1May 27, 997 and registration announcement date of 65438+February 2 1. A net; Javelin; Table tennis table; Weightlifting equipment; Fencing equipment; Sports equipment. In 2007, Li Ning spent 305 million yuan to acquire a 57.5% stake in Double Happiness.