1. The numbers 24-108 on the Double Happiness 3 table tennis racket represent the model code of the racket registered with the ITTF. This string of numbers means that the racket complies with the ITTF racket standards. It can also be used officially in large-scale competitions.

2. The 24 in 24-108 is the registration code of Double Happiness Company, indicating that the racket is a product of Double Happiness Company.

3. The 108 in 24-108 refers to the code name of the Asphalt 3 series.

Extended information:

1. Shanghai Double Happiness Co., Ltd. is a well-known international sports equipment manufacturer and a leader in China's table tennis equipment industry. Its products include table tennis, badminton, and weightlifting. Mainly equipment, and expanded to three major balls, sports protective gear, sports shoes and clothing, small fitness equipment, various field equipment and other sports supplies.

2. The "Double Happiness" trademark was founded in 1959 and was the first Chinese sports brand to appear in a world competition (the 26th Beijing World Table Tennis Championships in 1961).

3. In 1959, Rong Guotuan won China's first world championship - the men's singles championship at the 25th World Table Tennis Championships (World Table Tennis Championships). In the same year, Beijing won the 26th World Table Tennis Championships. The right to host table tennis tournaments.

4. "Using Chinese equipment in international events held in China" has become a dream of the Chinese people. In the same year, a complete set of table tennis equipment that meets international standards, including tables, balls, and referee equipment, was designed in Shanghai and was certified and approved by the International Table Tennis Federation.

5. Since 1959, Double Happiness has been designated as the equipment supplier for 12 World Table Tennis Championships, including the upcoming 2011 and 2012 World Table Tennis Championships. Double Happiness covers almost all major table tennis events, including the three Grand Slam table tennis events: World Table Tennis Championships, World Cup, Olympic Games and other major international table tennis events all use Double Happiness table tennis tables or table tennis balls as competition equipment.

Baidu Encyclopedia—Double Happiness