Quality check is the key procedure for high quality product. Shenzhen EYESKY is strict with the whole production process from raw materials into the factory to the finished product delivery. All the sensors inside and IC are imported from world top brand in Europe. Before delivery,professional QC teams will inspect piece by piece. Shenzhen Eyesky is proud of its complete,efficient AC system. Thanks for strict control of each production procedures and quick response of quality check,which benefits both Shenzhen EYESKY and its customers.