---Siemens
We use GStarCAD platform and Electrical Software. They run well. GreatStar has good sense of service spirit. They arrange after-sale service and training properly, update unceasingly. We hope GStarCAD become better and better.


---Lenovo
GStarCAD solve the copyright problem and facilitate our work full functionally.


---Schneider Electric
It has the same function and custom with foreign pop CAD software, do not need to learn, reduce cost of production, GStarCAD is quicker to open a drawing file than other CAD software, and GreatStar has full sets application software based on its platform. GStarCAD has been applied in many design items


---Philips
It has the same function and custom with foreign pop CAD software, do not need to learn, reduce cost of production, adopt open character environment, operate simply, compatible with AutoCAD, and can meet our needs. 


---Hitachi
GStarCAD adopts open environment, easy to operate and compatible well to AutoCAD.It is very practical. 


---Haier
The function is complete. The software is based on GStarCAD platform includes HVAC, Electrical, Mechanical, Water Supply and Drainage etc. They greatly facilitate our design.


---Sony
GStarCAD technology is practical. It has sustainable development foreground. We would like to deepen cooperation with GreatStar.


---Shenzhen General Institute of Architectural Design and Research
Our institute applied full series of GreatStar software. It proved that GStarCAD can meet our design requirements in practical engineering design application. GreatStar has the great sense of service spirit. They adopt users'  feedback actively and perfect their software unceasingly. The fact proves that our choice is right.