DECEMBER 19 -- Xinyu Iron and Steel Group, the parent of steelmaker Xinyu Iron and Steel (600782.SH), increased its holdings in the latter by 2.46 million shares, equivalent to a 0.18 percent stake, on December 16, reports Securities Times, citing a company filing.

Including the current share purchase, Xinyu Iron and Steel Group pledged to continue to up its stake in Xinyu Iron and Steel by up to two percent over the next 12 months.

Gansu Yasheng Industrial (Group) (600108.SH), a producer of beer, fruit, medicines, PVA fiber, and sodium sulfate, said its controlling shareholder, Gansu Nongken Group, raised its stake by 2.099 million shares, or a shareholding of 0.12 percent.

Gansu Nongken Group announced plans to increase its stake by up to 10 million shares over the next 12 months.

Fujian Sanan Group, the second-largest shareholder of Sanan Optoelectronics (600703.SH), purchased 2.118 million shares of the latter on December 16, equivalent to a 0.00147 percent stake.

Fujian Sanan Group said it is confident about the future development of Sanan Optoelectronics, and plans to boost its holdings in the listed company by a maximum of two percent.