Ma Yong According to the inquiry, as of July 28th, 2023, the company owner of Beijing Yihai Weiqi was Ma Yong. Beijing Yihai Weiqi Company, affiliated to Beijing Art Hairun Stone Culture Communication Co., Ltd., is an independent brand focusing on children's Weiqi education, focusing on children's Weiqi training from 3 years old to 13 years old, aiming at the balanced development of quality education and competitive sports.