The same specifications "Micro Cooling Fan" products produced by each manufacturer and its quality has a different life, mainly from differences in each one of the structural design, electrical performance design, material selection and process control, etc. are different; the second is the merits of the user's degree of choice and use the installation location and environmental conditions for comprehensive to decide, in order to achieve the desired quality and service life requirements, users in the selection of "Micro Cooling Fan" is not to provide a set of data and sometimes come to rely on the manufacturer can guarantee its quality and longevity so simple, user requirements and to their fans for the installation of the product, the use of the environment to inform the manufacturer, the manufacturer of its comprehensive assessment was chosen as the standard fan structure, electrical performance design and material selection and other requirements to achieve this condition, otherwise everything will be impossible to achieve. Source Wind "Micro Cooling Fan" due to the excellent technical support has been more than three years it can be maintained.