The following is my revised IOU. Please check whether it is appropriate: On August 26th, 20 10, the company borrowed RMB 300,000 from Zhou Zhe due to poor cash flow, and returned RMB 200,000 on XX. Payee: Wang Zuo (signature, no printing) Payee: Zhou Zhe (signature, no printing) Try to be concise and clear, just highlight the theme, and words like thank you are redundant; The signature shall not be printed by computer, and the handprint (right index finger) shall be restrained.