Construction steps of foam concrete
Before construction, ensure that all kinds of instruments used during construction can operate normally, check their status and break the work, and the materials must be in place.…
Before construction, ensure that all kinds of instruments used during construction can operate normally, check their status and break the work, and the materials must be in place.…
Recently, covid 19 outbreak spreads in Shanghai, China. There are more than 25,000 new asymptomatic domestic infections every day. China is implementing a dynamic zero-out policy. A leading respiratory expert said the key to COVID-19 prevention and c…
Triterpenoid Saponin (a form of glycosides from tea leaves) is a natural surfactant that performs well. This surfactant can be used extensively in chemical and light industries, as well as pesticides, drinks, beverage, food, beverages, oils extractio…