Recent product development experience:
April 2006: the grey nitride ball is put into mass production. With higher finish, higher density.
May 2007:63.5mm silicon nitride ball was put into mass production. Accuracy to G60.
April 2008: alumina ball is put into mass production. The purity is 99.5%~99.8%.
November 2008: successful r&d of silicon carbide ball mill.
January 2009: successful preparation of zirconia toughened alumina ceramic ball (ZTA), with a precision of G10.
May 2010:140.000mm silicon nitride ball production successfully, the accuracy reached G200.