... 1.vacuum oil purifier series 2.stainless steel body anti-corrosi ZLT Stainless Steel Phosphate ester fire-resistant oil purifier ... new adsorbentStainless steel machine body, pipes and filtering components, reliable, anti-corrosion, durable.Duplex-Stereo film evaporation technology, ... power consumption, safe, and reliable.7. Adopt interlocked protective system, which connect oil pump, heater and liquid ...