Located in "the forest and creative city" of Chenzhou, Hunan Province, Changhong Grand-Pro Tech Co., Ltd is an international and professional high-technology company, which integrated the creation, production and sales in intelligent robot and new energy battery industry.
 

After the establishment of this company, it has carried out the produce-learn-research, fully cooperating with Zhejiang University, Central South University, Nanchang University and other top factories, so that strong technical support can be putted into the R&D of robotic vacuum cleaner. At that time, the company was allowed to set up the only one provincial Home-Intelligent-Robotics engineering technology research center and technology application center. The company also has achieved many patent technology certificates depended on professional research and development technology of intelligent robot and new energy battery industry.
 

At the same time, Grand-pro Industrial Park was built in the National High-tech Development Zone, aiming to build a world-class intelligent vacuum cleaner R&D, manufacturing base.
 

The company, basing on integrity, cooperation, win-win and development concepts, is committed to become the most trusted intelligent vacuum cleaner and new energy battery system service provider in the world.
 

Grand-Pro quality management system strictly follows the International standard. It imported IS09001 international quality management system standard and built IS014001 environment. The company's products have passed the international authority of the UL and CE certification, and also passed the test with the EU ROHS environmental protection standard, which laid a solid foundation in providing excellent quality products and accurate service for customers.

Outdoor of Company

Molding Workshop

SMT Workshop 1

SMT Workshop 2

Spraying Workshop

Battery Workshop