What about Meidong Graphene and synthetic engine oil 700?

Domestic second-tier brands. Meidong Graphene is made of unique patented anti-wear technology and ultra-high performance synthetic base oil in synthetic engine oil, which performs exceptionally well under any driving conditions, road conditions or vehicle age, and belongs to the second-tier brand in China. Medon graphene can provide excellent protection in synthetic engine oil and has good compatibility with other conventional oils and synthetic engine oil.