1. Solid ammonium glyphosate is obtained after filtrating or drying the crystal more.

2. The regenerated polyester melt has less impurities and homogenous viscosity after multiple filtrating.

3. Apparatus, devices and instruments for refrigerating, ventilating, treating, purifying, filtrating, ionising, regulating, checking and air conditioning installations

4. Transformer oil purifier applies for filtrating and dehydrating transformer oil, mutual conductor oil, switch oil and other kinds of insulation oils.