Main advantages of technical parameters of metal float flowmeter

Metal tube float flowmeter (also known as metal tube rotor flowmeter) has simple structure, reliable operation, wide application range, high precision, convenient installation, small maintenance, long life, high temperature and high pressure, strong sense of safety, simple

Exterior wall paint future market is vast

Exterior wall paint future market is vast At present, many regions in China have realized the superiority of exterior wall architectural coatings, and will gradually promote the use and pop

"N95 mask" cannot be called "PM2.5 mask"

Due to the increased emissions from industry and automobile exhaust, the smog in some domestic cities is also quite serious. Internet rumors, N95 masks can prevent haze, there are businesses directly to the name of such masks " PM2.5 masks