China Ningbo Wellite Eletronic Co.,Ltd. is a leading professional manufacturer of PIR(Passive Infra-Red) sensor switch in China. Our products, smart switch, are widely being used in automatic light control, promoting convenience, safety and cost-saveing. We employed Total Quality Management and established an ISO9001:2000 quality management system. With the belief that goods products and good service will lead us to the success. Wellite not only sells our existing products, smart switches, smart kvm switch, web smart switch, smart cat5 switch, 8 port smart switch, smart network switch, 16 port smart switch, 24 port smart switch, smart managed switch, 48 port smart switch, gigabit smart switch, but also provides complete developping solution for our customer.