An Jie and Zhang Quanping agreed to acquire 20% stake in Beijing Nengke Ruiyuan Digital Technology Co., Ltd. from Nancal Energy-Saving Technology Co., Ltd. and Liu Yongtao for nil consideration on June 17, 2016. Nancal Energy-Saving Technology Co., Ltd. will transfer 8.75% stake to An Jie and 5% stake to Zhang Quanping and Liu Yongtao will transfer 6.25% stake of Beijing Nengke Ruiyuan Digital Technology Co., Ltd. to An Jie. As of June 17, 2016 Beijing Nengke Ruiyuan Digital Technology Co., Ltd. shareholders approved the transaction. An Jie and Zhang Quanping completed the acquisition of 20% stake in Beijing Nengke Ruiyuan Digital Technology Co., Ltd. from Nancal Energy-Saving Technology Co., Ltd. and Liu Yongtao on June 21, 2016.