Sharkward is a manufacturer which is best professional in energy savings,located in Ningbo,China from 2008. Our motion sensors, sensor switch, LED light control system are popular in USA,Canada, EU,Aisa to be Used in School, office, mall, Hotel for saving power. Our Partners are big and small wholesalers and retailers. We always meet different requests about technology, packing and delivery time from different clients. Sharkward Team is equipped with more than 10 experienced engineers ...