Desc:Product Description Liquid nitrogen-LN2-is nitrogen in a liquid state at low temperature. It is a colorless, low viscosity liquid that is widely used...
Desc:Product Description Liquid nitrogen-LN2-is nitrogen in a liquid state at low temperature. It is a colorless, low viscosity liquid that is widely used...
Desc:stainless steel titanium water filter Titanium filter can be applied for most particles so it is broadly for precision filter and sterilization.1.the ...