What is an American Summer camp? Summer camp originated in the United States in 1861, the original purpose is to let modern city children away from big cities and return to nature, and outdoor life through a variety of activities and exercises, to become tough, brave, and correct behavior. As time goes by, the content […]

Recently, the 48th Geneva International Exhibition of Inventions closed in Geneva, Switzerland, and announced the list of winners. Founded in 1973, the Geneva International Exhibition of Inventions is an annual large-scale international exhibition organized by the Swiss Federal Government, the Canton of Geneva, the City of Geneva, and the World Intellectual Property Organization. It is […]

In the course of the whole social progress, prison as an important part of the judicial system is gradually modernizing. The phone is a very important device in prison, playing a very important role in family communication and social help and education, to promote prisoners’ stability and peace of mind reform. Based on the special […]

The typical application of clean room is manufacturing or scientific research, which requires low content of environmental pollutants, such as dust, air microorganisms, float and sink, chemical pollutants, etc. More precisely, clean rooms control contaminants down to the amount of impurities per cubic meter. For continuous monitoring and control of the environment, high precision measuring […]

Spring doesn’t skimp on those of us who stick it out in winter. Between the present and the future, there is beating and innovation. Looking forward to a new journey, the dawn is glowing on the horizon. Every brave man of us believes that after a fog dispersed we still have passion on our life […]