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Ma'anshan Fangyuan Slewing Ring Obtained Another Five Patents

Resource from:  CBCC Likes:3088
Jun 21,2012
Recently, Ma'anshan Fangyuan Slewing Ring Co., Ltd. was awarded an invention patent for its processing method of ultra-thin ring parts by the State Intellectual Property Office, and four utility model certificates for a pure-rolling three-row taper roller slewing ring, a ball belt type positioning cage for slewing ring, a horizontal double-row crossed cylindrical roller slewing ring, and a screw tap grinding device. So far, the company has received a total of 33 invention patents, 5 of which are invention patents and 28 are utility model patents; 3 utility model patents that have received the authorization notice; 21 patents are being reviewed, including 11 invention patents and 10 utility model patents.
(CBCC)
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