Is there a charge for the property service personnel to change the toilet valve for the owner? What points should I pay attention to?

20 15 the latest property fees are as follows: prices vary in different regions; 1, salary of management and service personnel and welfare funds drawn according to regulations; 2. The normal operation, repair and maintenance costs of public facilities and equipment; 3. Greening management fee; 4. Cleaning and sanitation costs; 5. Security costs; 6. Office expenses; 7. Depreciation expense of fixed assets of the property management unit; 8. Statutory taxes and fees.