Smart Positioner SP740 series are I/P converter type positioner operating kinds of actuators and valves by converting 4 to 20mA DC tic output proportionally. point : Mr. Mike Choi HP : 82-10-7725-4473 ( Whats app & Wechat is OK ) 71 e-mail : Shin Hwa Engineering Co., Ltd 80B-2L, 242, Cheongneung-daero, Namdong-gu, Incheon, Korea Tel : 82-32-817-8030 Fax : 82-32-815-8036