目前已经是中国收藏家协会会员，专门从事宋代五大名窑瓷器、元代瓷器、明代永乐、宣德、
O O O O O B-organization I-organization I-organization I-organization I-organization I-organization I-organization O O O O O O O O O O O O O O O O O O O O O O O O O O O O O