Car Care Clinic Hatfield branch in Sinoville/Winderboom

This people are ****, their major service only include air filter and oil filter, oil has not been changed as per invoice, spark plugs as well, service due/oil change is still active, no sticker or written notice which state when should the car come back for service, their checks are incorrect , my went down to the drain, even if they as me to return the car I wont because they might damage my car.