SOJO has strategically purchased Wuxi Power Transformer Co., Ltd., Yunnan Yiyong Meier Technology Co., Ltd., Yingli Rongchuang Engineering Technology Co., Ltd. And SOJO also invested Tianjin Donggao Membrane Tech. Co., Ltd. And set up Beijie New Energy Co., Ltd., Nanjie New Energy Co., Ltd. and New technology R&D centre.