How about Qinhuangdao Tianye Tonglian

Not bad. Qinhuangdao Tianye Tonglian has a professional technical team and perfect after-sales service system, and its product quality and service level have been well received by customers. He also actively participated in social welfare undertakings and made positive contributions to society. Qinhuangdao Tianye Tonglian is an enterprise specializing in research and development, application promotion and service of Internet of Things technology, mainly providing solutions and products in the fields of smart home, intelligent security, intelligent medical care and intelligent transportation.