**Product Specifications:**

**Brand:** DHS

**Model:** DJ40W

**Type:** Tokyo Specialized Ball

**Year:** 2020

**Star Rating:** Three Stars

**Color:** White

**Material:** ABS

**Diameter:** 40.00-40.60mm

**Packaging:** 6 balls per box

**Features:**

Selected DJ Three-Star Ball, exclusively for Tokyo matches

Upgraded technology and materials for enhanced performance

High consistency, strong stability, excellent elasticity, and precise roundness

Approved by the International Table Tennis Federation for major competitions

Resistant to cold and heat, with minimal deformation and ample elasticity

**Company Information:**

**Company:** Shanghai Han Sports Co., Ltd.

**Location:** Shanghai, China

**History:**

DHS, a renowned brand, has been providing table tennis equipment for major competitions since 1961

The brand's equipment has been used in 18 World Table Tennis Championships from 1961 to 2020

DHS equipment has been featured in six Olympic Games from 2000 to 2020

**Additional Information:**

DHS DJ40+ T.T. Ball is specially designed for the Tokyo 2020 Olympics

The ball is designed with seams and precise roundness for professional play

Proper storage and maintenance are crucial for preserving the quality and durability of table tennis balls

Different star ratings indicate the intended use of the balls: one star for training, two stars for training and competition, and three stars for official competitions

Tips for increasing the durability of table tennis balls include maintaining optimal humidity levels and avoiding extreme temperature conditions

**Certifications:**

DHS DJ40+ T.T. Ball is certified for use in the Tokyo 2020 Olympics

**Note:** The translation may contain errors due to the complexity and length of the input text.