O-Sung Electric Machinery Co., Ltd (OSEMCO) has been engaged in industrial electrical equipment fields of Air Circuit Breaker(ACB), Automatic Transfer Switch(ATS), Control Panels and Switchgears since its foundation in 1986. Through continuing products development with technological innovation and accumulated experiences, The below listed O-Sung (OSEMCO) products are supplied to domestic and overseas markets with good reputation.- Air Circuit Breaker (630A~6,300A)- Automatic Transfer Switch (100A~6,300A)- Air Transfer Circuit Breaker (630A~3,200A)- Auto Control Panel and By-Pass ATS PanelWith the combination of its high standard design, reliable quality assurance and high productivity, O-Sung&＃39;s (OSEMCO) quality system meets the requirements of ISO 9001. Further, O-Sung&＃39; (OSEMCO) products carry the certifications of world leading testing labs.In addition to continuing development of highly advanced products, O-Sung (OSEMCO) is committed to supply the superior products with complete customer satisfaction.