Vertical parting non boxing casting mould has obtained national patent (Patent No.: L ZL2009 2 0172789.3 ),we solved the problems of the limit of small size balls, achieve a historical break in production of vertical splitting non boxing line production of φ40-φ80 casting balls, and make the important revolution in the vertical parting non boxing casting technology domestically, and start new centurary for vertical parting non boxing casting technology, and give impetus to the development of abrasion proof material industry.
Picture of Letters of patent:
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