Books by Huahong Yan
2015 nian hui ji zhuan ye ji shu zi ge kao shi ying shi zhi dao ji quan zhen mo ni ce shi
2015 nian shui wu shi zhi ye zi ge kao shi ying shi zhi dao ji ji kao ti ku
2013 Nian zhu ce kuai ji shi kao shi ying shi zhi dao ji quan zhen mo ni ce shi
2012 Nian kuai ji zhuan ye ji shu zi ge kao shi ying shi zhi dao ji quan zhen mo ni ce shi