Seven Seas Electronic Co., Ltd., founded in 1996 and headquartered in Shanghai, is a Chinese marine electronics specialist focused on communication, navigation, safety and security systems for ocean-going tonnage trading worldwide. The company provides a one-stop offering covering survey, design, supply, integration, installation, testing, commissioning and maintenance of GMDSS radio installations, Voyage Data Recorders, radar, ECDIS, AIS, EPIRB and SART units and related shipboard electronics. Engineers carry out annual VDR and S-VDR performance tests, GMDSS annual radio surveys, GMDSS equipment maintenance and AIS annual inspections alongside underwater inspection support, non-destructive testing, ultrasonic hatch cover testing and watertight integrity testing through partner teams. The firm also undertakes life-saving appliance servicing including lifeboat, rescue boat and liferaft work for vessels in port. From its Shanghai head office, Seven Seas Electronic operates domestic branches in Qingdao, Dalian, Xiamen and Taiwan and overseas branches in Singapore and Thailand, supporting around-the-clock service across major Asian trading ports and routes. Service supplier approvals held under ABS, BV, CCS, CRS, DNV, IRClass, KR, Lloyd's Register and RINA cover radio survey and VDR annual performance testing, supporting acceptance of reports during periodical, intermediate and special surveys carried out under SOLAS Chapters IV and V. The company also maintains ISO 9001 quality certification across its activities. Through this combination of broad electronics expertise, multi-society class recognition and a regional branch network, the firm provides a focused service to shipowners, managers and operators that depend on safety-critical communication and navigation systems on commercial vessels worldwide.