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Self-lubricating steel on the bearing to determine its quality
2017-10-11
Self-lubricating bearing body will be printed on the brand name, label and so on. The
font is very small, the factory is mostly produced using stamping
technology, but also in the heat treatment before the pressure word, so
the font is small, but concave deep, very clear. The
counterfeit product font is not only blurred, because the printing
technology is rough, the font floating on the surface, and some even
easily can be wiped out by hand.