Loan contract dispute between Binzhou-based Zhanhua Power Supply Company of Shandong Electric Power Company of State Grid, Shandong Branch of China Cinda Asset Management Co., Ltd, Shandong-based Weiye Thermal Power Co., Ltd, Shandong-based Weiye Energy Saving and Environmental Protection Technology Co., Ltd, Shandong-based Weiye Group Co., Ltd, Hongkong-based Weiye New Material Co., Ltd, Bo Qimin, Zhang Dongmei, Zhang Jihong, Guo Yanjun, Zhang Dongmei, Zhang Jihong and Guo Yanjun