Precision-based breakthroughs: Injecting "bearing power" into new energy lithium battery equipment with an accuracy of 1/50th the thickness of a human hair.

2026/04/02 11:43


Take a look, everyone.

This thin sheet I'm holding

is only 0.02 millimeters thick

that's about 1/5 the thickness of an A4 sheet of paper.

This sheet is used in the guide plates of lithium batteries for new energy vehicles.

It's not manufactured by our company.

We supply a crucial component to the equipment used in producing this sheet—the bearing.

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This is the bearing used in it.

Customer requirements:

The cylindricity of the rolling elements must be 1/25th the thickness of a human hair.

The ellipticity of the inner and outer diameters of the bearing rings must be 1/20th the thickness of a human hair.

Therefore, it is considered the pinnacle of rolled thin sheet bearings.

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The company spent two years

finally controlling the precision to 1/50th the thickness of a human hair

far exceeding the client's requirements.

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Our company has continuously invested in R&D and equipment upgrades for 15 consecutive years, boasting over 20 highly skilled technical personnel and holding a total of 9 invention patents and over 40 utility model patents.


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We will focus on breakthroughs in key technologies,

continue to increase R&D investment,

enhance the company's innovation capabilities,

empower the company's development with new production lines, new products, and new markets.

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