1.Forty years of instrument production experience Tianjin Bell Automatic Instrument Technology CO., Ltd is an enterprise belonged to famous Tianjin University of China. We have forty years production experience in automatic instrument industry. To create better services and better products; bring more values to our customers. We reformed the enterprise to joint-stock company in 1995, and established the professional instrument company. We are mainly dedicated to manufacture electric actuator and electric control valve, to meet the rapid development of modern industrial control of the new demand. 2.Advanced technology Equipped with advanced quality testing system and assuranc ... more