Manufacturing, iron, carbon steel bearing (not enough hardness) and repair scrap bearing (lack of precision);
2, the low-quality bearings, bearing small factory marked with the maker′s trademark, counterfeit famous manufacturers inside and outside of the product packaging and certification;
3, users of counterfeit famous manufacturers, distributors, agents, and even counterfeit manufacturers Spot shops;
4, defective bearings posing as genuine bearings;
5, the general level bearing typing into a D grade bearings;
6, good goods mixed in fake;
Fake selling genuine price, genuine selling D-level price, the use of false price of the;
8, bargains gave fake, you want to give really good quality goods.
Quality Supervision, experts remind consumers to buy qualified bearings, we must first observe the packaging is clear, most of the genuine stamp technology, the embossing and the untreated, font, but a deep concave, very clear . Counterfeit products fuzzy fonts, floating on the surface, and some can be erased by hand. Second, look at the surface of muddy traces of oil, rust technology is not a home, it is easy to leave a thick layer of oil in his hand very viscous. The same time, we must pay attention to choose the uniform chamfer rotating non-hybrid ring products.