Aiming to the standards of Maruken Ball, KENKO BALL, aiming to the global standard...

Nagase Rubber Manufacturing Company was founded in Sumita City, Tokyo. Manufacture and sales of soft baseball, soft tennis ball, exporting beach ball, etc.
Nagase Rubber Co., Ltd. was founded the following year of the end of war. Ball production is resumed as a designated factory for the Ministry of Health and Welfare.
Support the bottom layer of baseball that has fun with the scorching boys. Certified by the National Federation to improve production and quality.
It also actively establishes competitive competitions. We are committed to developing and developing domestic sports by increasing the opportunity of the game balls and the assistance of the winning flag.

In addition to the ball, we have developed a variety of equipment for health and can be enjoyed indoors for all ages, racquet tennis, mini tennis, etc.
We bring our health to the world through fun, safe and top quality products.