The Shenzhen post office is public enterprises, and a postal administrative organization. Not only responsible for this postal service producing, dealing in, services of area under one's jurisdiction but also authorized by State Post Bureau and post office of Guangdong Province.   The Penoa company has servicing experience for 15 years, base on superior  service quality, the fast reaction speed of service, spontaneous service spirit; let the Shenzhen Post giving a high value on Penoa service.   Due to China Post has suffered the loss, the office equipment expenses must be compressed, at the same time office efficiency will be improved.  Then Shenzhen China Post choosing Penoa.  From using Penoa copier that provides copying, types, faxes, scans, it has saving a lot of fund. The management of every department, e-mail integrative complex machine that offered also saved space expenses and administrative expenses of personnel.   Since both sides have adopted the new cooperative way, the working efficiency of Shenzhen China Post has been improved, and both sides having high tacit understanding of cooperation at present.