SHANGHAI(Yueqing) SMS Electric Co. Ltd. is a professional manufacturer of Electric connection & relative products. Our main products are Terminal block, Piercing connector, Connection box, DIN rail, Fan and Ventilate filter, etc.. For passed ISO9000 many years, we always concentrate to manufactures of Electric connection and relative products, energetically explore potential markets worldwide. Mostly of our products are approved by CE, RoHS, CCC, UL, etc.. and enter to international markets.