RazaTek engine protection oil without saps and ash VS nomarl other brands oil for test.wmv

Razatek engine protection oil none saps and ash vs. other brand engine oil for testing if there is residues after burning.Lubricants in the car is very important. Good lubricants (engine oil) should not produce any carbon or clay, however current oil include the world's largest brands are not developed no carbon and ash engine oil.
Our company exclusive right to develop the world's first environmentally friendly zero no carbon and ash engine oil (None SAPS and None Ash),you can see more info on our website: http://www.razatek.com.tw