Yao qian shu
by Jian Li

Ben shu cong"zhi ding da ke hu fa zhan zhan lue", "quan mian le jie da ke hu", "fen xi jing zheng dui shou", "que ding huo li neng li", "da ke hu fu wu ji hua yu shi shi"deng ba ge fang mian, Chan shu le da ke hu fu wu de nei han he ji ben zuo fa.
Customer servicesQi ye guan liConsumer satisfactionCustomer relationsXiao shou guan li .