Northrop Grumman wins 20 coastal guard ships

A few days ago, Northrop Grumman will provide advanced marine navigation systems for 20 Indian Coast Guard fast patrol vessels, which will be built by the Indian Cochi Shipyard. The first set of ship systems is expected to be delivered at the end of 2012 and will be delivered in 2015. It is report

Wide range of biosensor applications

Sensors have already penetrated into an extremely wide range of fields such as industrial production, space development, ocean exploration, environmental protection, resource investigation, medical diagnosis, biological engineering, and even cultural relic protection. It is no exaggeration

Butterfly valve in the process of using knowledge

In the 1930s, the United States invented the butterfly valve, which was introduced to Japan in the 1950s and was not commonly used in Japan until the 1960s. However, promotion in our country was after the 1970s. At present, butterfly valves of DN300 mm or above have gradually replaced gate valves in