Please write a reminder letter from the master (the topic is as follows)

Xingjingyuan Community Committee: As of * * * *, your company has signed a one-year property service contract (June 2007 1-June 20081), and we still owe your company144,000 yuan for two months. According to the contract with your company, your company should pay the above payment before June 1 2008, but our company has not received the payment so far. Therefore, please pay the above amount to our company in time on August 1 2008. To Xinqiao Property Management Company (seal).