An overview of the status and progress of the study eggshell resources, comprehensive utilization of resources expounded eggshell process problems and solutions to the deep-processing and eggshell egg development and use of resources to provide new ideas were summerized.

Focusing on the asymmetric information in the exchange of shell resources,by applying the method- ologies of incomplete information dynamic games and information economics,a signaling game model between the purchaser and the bargainer of shell resources is given,and the separating equilibrium,pooling equilibrium and semi-separating equilibrium are discussed.

This paper expounds the value connotation of listed company s shell resources in the status of China s present institutions.