The company has passed ISO9001:2000, ISO14001, TS16949 system certification.
With the aim of doing a good job, making precision and strengthening the steel ball market, the company has set more than 20 years of innovative experience, pioneered the "quiet steel ball" for high-precision bearings, and developed the country's first car-specific steel ball. It is used in automotive transmission shafts, automotive bearings, and automotive safety systems. In order to develop green energy, it has successfully developed electric hammers and precision special steel balls, and has manufactured special steel balls for wind turbine generators. The company also provides spherical parts such as stainless steel balls, ceramic balls, nylon balls, carbide balls and other special materials for the national aerospace, aviation, navigation, precision machinery and electronics industries.
American standard
ANSI/AFBMA Std.10-1989
Unit: um
Rating Ball diameter variation Ball error Surface roughness Ra Batch diameter diameter Diameter tolerance Ball gauge tolerance Packing flag increment
3  0.08  0.08  0.012 0.13 * +0.75 -0.75  0.25
5  0.13  0.13  0.02 0.25 * +1.25 -1  0.25
10  0.25  0.25  0.025  0.5 * +1.25 -1  0.25
16  0.4  0.4  0.025 0.8 * +1.25 -1  0.25
24  0.6  0.6  0.05  1.2 * +2.5 -2.5  0.25
48  1.2  1.2  0.08  2.4 * *  1.25
100  2.5  2.5  0.125  5 ± 12.5 * *
200  5 5  0.2 10 ±25 * *
500  13  13 *  25 ±50 * *
1000  25  25 *  50 ±125 * *
* Not applicable
With the aim of doing a good job, making precision and strengthening the steel ball market, the company has set more than 20 years of innovative experience, pioneered the "quiet steel ball" for high-precision bearings, and developed the country's first car-specific steel ball. It is used in automotive transmission shafts, automotive bearings, and automotive safety systems. In order to develop green energy, it has successfully developed electric hammers and precision special steel balls, and has manufactured special steel balls for wind turbine generators. The company also provides spherical parts such as stainless steel balls, ceramic balls, nylon balls, carbide balls and other special materials for the national aerospace, aviation, navigation, precision machinery and electronics industries.
American standard
ANSI/AFBMA Std.10-1989
Unit: um
Rating Ball diameter variation Ball error Surface roughness Ra Batch diameter diameter Diameter tolerance Ball gauge tolerance Packing flag increment
3  0.08  0.08  0.012 0.13 * +0.75 -0.75  0.25
5  0.13  0.13  0.02 0.25 * +1.25 -1  0.25
10  0.25  0.25  0.025  0.5 * +1.25 -1  0.25
16  0.4  0.4  0.025 0.8 * +1.25 -1  0.25
24  0.6  0.6  0.05  1.2 * +2.5 -2.5  0.25
48  1.2  1.2  0.08  2.4 * *  1.25
100  2.5  2.5  0.125  5 ± 12.5 * *
200  5 5  0.2 10 ±25 * *
500  13  13 *  25 ±50 * *
1000  25  25 *  50 ±125 * *
* Not applicable
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