aneletro posted a photo:

More: continued here

Ans?Our machine can purify the USED oil,such as insulating oil, transformer oil turbine oil, engine oil, lube oil,hydraulic oil and so on. What is the function of this mahcine? Ans: The machine can remove the water , gas, and the impurites …

More: continued here

The key technology that may pave the way for widespread, safe use of electric vehicles is a little-known polymer film system that separates the anode and the cathode in lithium-ion batteries. The separator itself does not produce any electrochemical …

More: continued here