Financial world on February 21, 2024 news, according to the State Intellectual Property Office announcement, Luoyang Xinqianglian Slewing Bearing Co., Ltd. has obtained a patent titled “a kind of non-soft belt three rows of cylindrical roller slewing bearing bearings”, authorised bulletin No. CN108223565B, the date of application for the 2018 February.
The invention of the raceway surface heating and cooling at the same time, will not produce no soft belt area, so there will be no cracks on the raceway surface caused by the second heating, there is no quenching of the formation of low hardness area, but also simplifies the steps of the slewing bearing heat treatment, improve efficiency, and is conducive to the extension of the service life of the three rows of cylindrical roller slewing bearing bearings.
So far this year Xinqianglian has obtained 3 new patent authorisations. Combined with the company’s 2023 interim financial data, 2023 first half of the company invested 63,081,900 yuan in research and development, an increase of 17.79%.