Since 2002, Beijing Constants Electronics has been the leading innovator of on premise wireless communications by creating such products as the MMCall wireless service calling and management system, which dramatically improves the quality of serving customers in restaurants worldwide. The product increases the speed of serving customers and reduce the needs of servers in one shift, service quality survey and assess system which is the best assistant to help hotel and restaurant managers supervising staff and improving service quality and hotel paging system such as the PC paging solution, the fast casual paging system, GPS bus stop informer and wireless LED screen.

We have the base in China Beijing, Shenzhen, Shenyang, have sales and service offices throughout China and have sales and service agency throughout world. We pride ourselves in customer services and support. We offers 24/7 technical support to all of our customers. We own several certifications in the wireless and RF fields and continuously make the improvements.

We are always here to listen to the needs of our customers and develop new products to meet customers' satisfaction. We sincerely hope to cooperate with customers from all over the world. OEM Service: Yes  
No. of R&D Staff: 21 - 30 People  
Estimated Annual Sales (USD): US$1 Million - US$2.5 Million  
Export Percentage: 50%  
Quality Control: In House  
Legal Representative/CEO:
Factory Size (Sq.meters): 2,000  
Factory Location: 3/F, Dawei Building, 54 Jianshe West Street, Longhua District, Shenzhen City, Guangdong Province. China  
Corporate Status:

Business Type: Year Established: 2002 Number of Employees: Legal Representative / CEO: Baofeng Wang   Website: http://www.hydz.com.cn Certificates: Brands: Trade & Market Main Markets: Main Customers: Export Percentage: Trade Shows: Factory Information Factory Size (Sq.meters): Factory Location: QA/QC: Number of Production Lines: Number of R&D Staff: Contract Manufacturing: