·   China Chess Association（Our Go-timer is being designated as the official timer）
·   Shenzhen Chess Association
·   GuangZhou Chess Academy
·   ShanXi Chess Association
·   Nie Wei Ping Go-School
·   Da Lian Chess Association
·   Cheng Du Chess Association
·   Hong Kong Chess Association
·   Hong Kong Children Go School
·   Singapore Chess Association; etc.
Go-associations domestically and internationally use our products to promote Go tournament rules education so our products are widely accepted in Japan,Korea,Singapore,Taiwan ,India and USA