Who is Mo Zijian's master?

Mo Zijian's masters are Yan Song Mountain and Zhu. Relevant information shows that on August 29th, 2006, Xinyi New Bureau decided to commend Mo Zijian and his coaching staff, including 2000 yuan for Mo Zijian's young chess player and 800 yuan for his masters Yan Song Mountain and Zhu, so Mo Zijian's masters were Yan Song Mountain and Zhu.