Shanghai Poly Network Systems Co. Ltd. Sales Department - China

About Shanghai Poly Network Systems Co., Ltd. is a computer based on the information industry and information industry's high-tech security company specializing in computer network system integration, network architecture, software development, integrated cabling, video surveillance systems, building on the stress systems, burglar alarm systems, access control card system, and the overall systems engineering framework for solution design, installation, commissioning, consulting, product sales and maintenance services.