Topsound was founded in 2015 and is headquartered in Shanghai. It has subsidiaries or offices in Shanghai, Ningbo, Shenzhen, Beijing, and Guangzhou, and has joint innovation laboratories with foreign manufacturers and domestic high-efficiency research institutes. It is a comprehensive solution service provider specializing in earth science observation and measurement systems. The company has a professional talent team, adhering to the concept of "simplicity, efficiency, and pursuit of excellence", deeply rooted in the field of the ocean, determined to discover, understand, and change the world for humanity, provide scientific observation and measurement data, and build a better future world.

Tongsheng Marine has established cooperative relationships with many well-known global manufacturers, including Teledyne Marine Group, L3 Group, R2Sonic&R3Vox Company, VAISALA Company, Klein Marine Company, Applanix Company, and others. The company is committed to providing specialized solutions that enable users to enjoy the highest quality localized services without leaving their homes.

The company's products include multi beam depth measurement systems, single beam depth measurement systems, side scan sonar systems, shallow subsurface profiling systems, maritime meteorological systems, imaging sonar systems, shipborne positioning and attitude determination systems, underwater and surface navigation and positioning systems, seabed sampling systems, single channel and multi-channel electric spark seismic systems, underwater monitoring systems, underwater robots, and unmanned ship measurement systems.

Tongsheng Ocean has a professional R&D team that maintains real-time communication and integration with high-precision technology and global users. With the goal of marine localization and localized technical services, we provide users with professional customized system design, product production, and after-sales service. Currently, we have launched the first commercial domestically produced single channel and multi-channel electric spark seismic system in China.

Tongsheng Ocean adheres to the concept of "simplicity, efficiency, and pursuit of excellence", providing one-stop solutions. It has established long-term and stable cooperation with multiple national marine departments, participated in the construction of scientific research ships such as Xuelong 2, Jiageng, and Zhongda, and has deep cooperation with the Ministry of Transport, Ministry of Water Resources, Ministry of Science and Technology, China Petroleum, Sinopec, China National Offshore Oil Corporation, Chinese Academy of Sciences, etc. It has won the trust and support of industry customers with good products and high-quality technical services.