It established Shanghai Bizhong Exhibition Co. , Ltd , Beijing Bizhong Exhibition Co. , Ltd and Shenzhen subsidiary successively .
先后成立了上海筆中展覽展示有限公司、北京筆中展覽展示有限公司、深圳分公司。
And suddenly , after transitioning each function successfully to an outside senior executive one at a time , the other founder had successively worked himself out of a job .