water treatment chemicals` types, functions, advantages and development direction
Name Water Treatment Chemicals Use Remove suspended solids and toxic substances from water Present situation At present the sales volume of water treatment industry in the world is about 30 billion...
The 127th Canton Fair is postponed!
On March 23 2020 Ma Hua deputy director of the Department of Commerce of Guangdong Province said Considering the current global epidemic situation the 127th spring Canton Fair will not be held as...