Development of entry and exit control

With the rapid development of social science and technology, people’s demand for urban intelligence is increasing, and the flow of people and things is intensifying, and the links at all levels of society are getting closer. In the era of data explosion, people's biological charact

Cotec won the order of the Waigaoqiao 2 boat cover

On December 10, Shanghai Kedewei Ship Technology Engineering Co., Ltd. and Shanghai Waigaoqiao Shipbuilding Co., Ltd. signed a contract for the supply of two 82,000 tons bulk cargo hatch covers, which means that the domestic independent brand hatch cover equipment is Gradually trusted by

Mine flood prediction and water inrush

1. Prediction of mine floods

The prediction of mine flooding refers to determining the danger degree of mine flooding according to the hydrogeological data of geological exploration and the special water damage survey data before mining, and compiling