Friendship is a trademark. Tianjin Friendship 729 Sports Equipment Co., Ltd., a first-line manufacturer of table tennis equipment in China, has the background of Tianjin Rubber Industry Research Institute, and its rubber covers are well-known and inexpensive. It also produces table tennis, skirting boards and finished rackets. In amateur table tennis, although it is not recommended to use the finished racket, that is, the goods with rubber sponge on the bottom plate and then sold in sets, the finished racket of Friendship 729 is the only one that can be bought and used reluctantly because of its poor handle, poor quality and extremely low cost performance.