Shenzhen TopMax Electronics Co. Ltd was established in 2013. A professional manufacturer and distributor of wireless paging system and wireless alarm systems. With rich experience in developing RF wir...

NO.36 Xiejia Industury Park Beijing, Beijing

Beijing Sino-Canadian Furtherspace Co., Ltd have been specialized in coaster paging system and calling system for 11 years and is a leading manufacturer in China. We are famous in this field, and we h...