On August 16， 2013， China Science Patent and Trademark Agent Limited (CSPTAL) accepted the request for retirement by Former Chairman， Mr. Huimin Wang， and held a farewell meeting for Mr. Wang. Mr. Wang sent words to his successor， Chairman Liyan Zhang， and the new board of directors to inherit the past and usher in the future. All the staff at CSPTAL sent their wishes to Mr. Wang for his health.