Shenzhen Heijin Industrial Manufacturing Co., Ltd. is located in Yinxing Hi-tech Industrial Park (Shenzhen Longhua New District Technology Business Incubator), with a total construction area of about 100,000 square meters. There are engineering department, production department, research and development department, domestic sales department, overseas sales department, comprehensive service department, finance department, project operation department and other departments. The main products are interactive electronic whiteboard, touch LCD integrated machine, interactive electronic whiteboard integrated machine, Central controller, digital physical booth, multimedia speakers, desk, infrared touch module, etc.