Tianjin Bell Automatic Instrument Technology Co., Ltd. is an enterprise belonged to famous Tianjin University of China, located in Tianjin which is one of the instrument industry bases. We have forty years production experience specialized in all kinds of electric actuators and valves. Our products are sold to all the provinces of domestic and exported to Europe and America, Southeast Asia, Middle East. Now we would like to expand business worldwide, so we will provide products with the most fav