Nancal Energy-Saving Technology Co., Ltd. (SHSE:603859) signed a share transfer agreement to acquire remaining 65% stake in Beijing Botian Haoyu Technology Co., Ltd. from Huang Juan for CNY 3 million in December 2017. Upon completion, Nancal Energy-Saving Technology Co., Ltd. will own 100% stake in Beijing Botian Haoyu Technology Co., Ltd.