computer cpu fan 4020

Application of environmental and temperature: 1.Humidity & temperature range humidty: from 30%RH to 90%RH temperature: negative 80 degrees Celsius to 60 degrees Celsius 2.Save humidity temperature range humidty: from 30%RH to 90%RH temperature: negative 90 degrees Celsius to 70 degrees Celsius 3.Working temperature Electrical specifications according to MIL-STD202F Method 107D 90%RH temperature humidity 40±2 degrees Celsius 4.Free-fall experiment After packaging,fall from 60cm high place,without serious damager of fan's three corners. 5.Virbration-resistant packaging test After packaging,continuously bibrate the fans about 30 minutes,no strange or bad. 6.Weight:20g/PCS 7.Packaging layers: (seaworthy packing) Main material Frame plastic materials Plastics fan Bearing Type Conductor Terminals Electrical performance 1.Lifetime:15000 hours between 20 degree Celsius and 50 degree Celsius 2.Lock protection:rated voltage lockout protection lock 1 second, automatic power off, auto power off after 2-6 seconds automatically tries to start Packaging requirements In seaworthy cartons or according to the customer's requirements Service All customers are our partners and friends,we always try our best to know the customer’s requirement and application towards the product. Each year we will conduct a customer satisfaction survey to understand the customers. All customer feedback are within 24 hours after the receipt of reply/ When customers have the defective product’s feedback,or it will be through the quality department and the production department dealing with negative feedback,related analysis and improment program will be proposed,execute and track.Regular quality meeting will be opened by quality control department, mainly discuss the quality situations and statistics, and make the goals and plans for improving. Company We are a professional fan supplies manufacturer, custom CPU fan, graphics card fan ,notebook fan,system fan,dedicated server,dedicated fans and industrial fans and so many different series. According to the different customer’s requirements,we can custom the different current ,voltage,speed,wind and oil bearings,ball bearings,namo-ball bearings,hydraulic bearings products.