How to complain and report the unified extended warranty engine oil

If you buy fake engine oil, you can call the consumer hotline to report it. At the same time, consumers complain through letters, faxes, text messages, emails, 12365438 websites and complaint platforms. Engine oil is equivalent to the blood of a car, which gives the car a steady stream of power and can brake. Engine oil is indispensable for machine lubrication, especially for engines. Too much or too little is not enough. Generally, the maximum liquid level is lower, so it should be checked regularly.