Wuxi Haiying-Cal Tec Marine Technology Co., Ltd. is a subordinate company of Haiying Group, which is the subsidiary of China State Shipbuilding Corporation. It has been established since 1958, committing to the research and development, production, selling of of oceanographic electronic instruments in the hydrographic survey, engineering survey,oceanographic engineering, marine security, hydrologic survey and oceanographic survey in domestic market as well as import and export agency business.  The main products include transducers, single-beam echo sounders, multi-beam sonars, sound velocity profilers, side scan sonars, acoustic sub-bottom profilers, tide gauges, current meters and so on. There are Technical Development Department, Logistics Department, Sales Department, Marketing Department, Financial Department and General Management Department in the company, and 80% of staff are the talents with extraordinary professional skills and management skills. With its superb acoustic technology and perfect after-sales service, our company has established close cooperative relations with international partners and enjoys a well-known reputation at home and abroad.