Kayseda Co., Ltd. (hereinafter referred to as KSD) was founded in Chaozhou, Guangdong in 2002, had been committing to the monitoring of transmission equipment research, development and manufacturing, to provide high quality products and perfect service for the security industrial. Meantime, to provide OEM/ODM services for domestic and foreign customers in monitoring products. There are thousands of projects to be tested, confirmed, use, and a wide range of publicity...