In 1971, the company produced "YUNG TA" pump sales in the NanGang Industrial Zone. Taichung, Tainan, Kaohsiung and Hualien all have dealers. Product certification: CNS2138 Small Size Volute Pumps, CNS8080 Submersible Pumps for Construction, CNS11327 Submersible motor - Pumps for deep wells, CNS8917 Stationary Centrifugal Fire Pumps. Quality and service certification: ISO9001 Quality management systems -- Requirements, ISO/IEC17025 General requirements for the competence of testing and calibration laboratories.