北京谭氏石油技术有限公司
E2S is the world’s leading independent manufacturer of high performance audible and visual warning signals. Our worldwide approved products range from sounders, beacons, voice sounders to loudspeakers and manual call points for hazardous areas, fire and industrial and wide area signalling. Our worldwide network of distribution partners provides local technical support and fast delivery of products.
Website：www.e2s.com