The H.Y. Group perceives warranty support and excellent service as supreme values. Through H.Y. Service and Logistics Ltd., the Group operates an extensive service network for the products it markets. The service network offers many qualified technicians, a main repair laboratory at the Group's Airport City logistics center and many collection points across the country operating under service agreements with the company. Additionally, the company operates a Customer Service Telephone Center, which is open six days a week. H.Y. Service and Logistics also provides maintenance and repair services to external entities.