1. Open 2D/3D DWG files, support AutoCAD R14-R2015 DWG format2. Zoom, Pan, Full size, Space Layout, Layer, magnifier, Range measurement3. Directly open files from Email, Webchat or Skydrive4. Automatically find missing characters and symbols, perfectly show original characters and symbols5.Batch Files directly transfer between PC and Mobile without cable6.Tangent Format: online convert to make sure 100% compatible with Tangent Architecture, Structure, Equipment format7.Parameters and reference price of devices and materials related to the opened DWG file