Morning of March 13, vice chairman of Yantai Nanshan Education Group Yang Haiyi, deputy secretary of Nanshan University Party Committee Liu Chenggang, director of Nanshan Group E-c...
To celebrate the 107th International Women's Day, and express thanks to every female employee, on afternoon of March 8th, 2017, parent group of Shandong Lvbei New Energy Saving Com...
Environmentalists talk about global warming in their campaign to try and convince people to use less energy and reduce their carbon footprint. These days, there are many energy eff...
