Our company is a high-technology enterprise specialized in the research, production and sales of standalone DVR, HVR, NVR, HD IP cameras, HD-SDI cameras, DVR, all kinds of outdoor & indoor IR bullet cameras, dome cameras and accessories. We are devoted to providing the top cost-effective CCTV surveillance products, technical and professional quality service to make the best value for customers. With the "Integrity-oriented, customer-focused, sincere cooperation, services for society" ...