Shenzhen GLvision Technology Co., ltd. is a global security solution company,We have been the leading supplier of 1080p HD-SDI cameras, Megapixel HD IP cameras, CCTV cameras and intelligent HD & D1 DVR recorder. With a professional R & D team and expert efficient service group, GLVision has been rapidly grown and successfully developed full series of cameras and DVR/NVR recorders with high quality and cost-effective performance. We are currently ISO9001:2000, UL, CNAB, CE, FCC certified and conform to RoHS standards. We significantly reduce the cost of existing products by using equivalent manufacturing techniques, eastern low cost labor, cost-effective supply chain techniques and lean manufacturing methods. Continuously high on talent oriented, GLvision has 100 strong experienced engineers and customer service team in network surveillance field as well as tight connection with many famous research institutes, which help to keep its technical advantage in this field. We are clear that quality & service is the top first. Come production time, we inspect all items at every stage and then put them 24-hour trial run prior to shipment to make sure they perform well. The high quality and good service have been fully acknowledged by wide spread customers in fields of government, financial, energy source, and traffic, city surveillance, education, industry, video meeting, video door phone, intelligent surveillance, home security, etc.