Our main sales market: North America: 21% Southeast Asia: 12% Africa: 7% Eastern Europe: 3% Mid East: 3% Eastern Asia: 2% Domestic Market: 52% After years of market development, the products have covered a wide range of fields such as airports, supermarkets, hospitals, cinemas, government departments, etc., through efficient product services, we have maintained long-term cooperation with customers. Our Service As per products requirements from customers, we offer technical consultation service and advice to help customers know better about the products and service details. After that, we'll recommend and design some reasonable solutions to customers for option. Besides the online communication, the receiving of customers visit is one import part as well in our presale stage, we'll hold products presentation during the visit. We'll provide any convenience as possible as we can to supervise the production process in manufacture progress, helping customers know well products structure銆乸roduction link and the product quality control progress. And meanwhile, we'll offer customers all the necessary documents, including the user manual銆乵aintenance instruction銆乮nstallation instruction and other technical documents. In the interest of long-term cooperation and make the after sales service clear, hereinafter we issue the official letter to guaranty under the detailed procedure. A. Guarantee period: 12months B. Guarantee period start: Begin from the date of shipment arrival. 1) Defective units to be found within 1 month after you receive the products but before you sale, we shall exchange new one for you, but you must declare to us within 1 month. We bear two-way freight. 2) 2) From the second month to the 12th month after you receive the product, we can repair them for fee (including exchange the spare parts for you) if defective units to be found, and we bear two-way freight. 4) After the 12 months free warranty period, within the next two years, we can also repair for you for free, but we will charge for the cost price of the spare parts if they need exchanging. We do not bear the freight. 5) After the above-mentioned one, in the following years, we will charge for the repairing fee which is 15% of the product price we sell to you, and charge for the cost price of the spare