ShenZhen Zhongtian Hengji Technology LTD. is a private enterprise of High technology. It professionally manufactures LZZ's all kinds of lightning protection products, provides LZZ's full Series of products and models, and act as agents for world well-known brands including American Ecs, German OBO. Besides, it is the tier-one agency of American Ecs's lightning protection products. All the models of OBO arresters are listed as follows: OBO Surge Arresters,OBO Signal Arresters,OBO Data-signal Arresters,OBO Antenna Feeder Arresters,OBO Network-model Arresters,OBO and so on, used in military affairs ,electron,finance,telecommunication,lightning protection,automotive electronics,security and other fields. Our customers spread all over the country, like China Telecom,China Mobile, China Unicom,China Post,microwave SDH artery,bank system,Railway Administration,electricity companies,Road and Bridge Construction,medical system,Radio and Television,residential areas etc.