DC 4020-2 fan has passed strict reliability verification and meets safety requirements. In full accordance with ISO9001:2015 and IATF16949:2016 quality management system for product design and development, incoming inspection and production process control. Follow the design principles of long life, low noise and low power consumption to develop new products. All materials are in line with RoHS2.0 environmental standards, Loricooler has always put quality in the first place, research and development, production to meet the needs of various users of the fan.