1. UNI-D Co. Ltd. has been a well-known Taiwanese company in fluid control systems for over 25 years. 2. UNI-D Co. Ltd. main products are certificated SOLENOID VALVE, ELECTRIC ACTUATOR and solutions. 3. UNI-D Co. Ltd. has own factories and R&D , QC department in Taiwan to satisfy our customers worldwide. 4. UNI-D Co. Ltd. Catalog as below for your reference. Solenoid valve: http://www.unid.com.tw/pdf/UNI-D_Sol_English.pdf Electric Actuator: http://www.unid.com.tw/pdf/UNI-D_Motor_English.pdf