How many Jining electric power installation companies are there?

Seventeen. Jining power installation companies include: Deere Group Co., Ltd., China Coal No.68 Engineering Co., Ltd., Shandong Ant Machinery Co., Ltd., Shandong Zhonghui Machinery Co., Ltd., Jining Hongsheng Power Engineering Design Consulting Co., Ltd., Jining Borui Power Engineering Co., Ltd., Jining Shuntong Power Engineering Installation Co., Ltd., Jining Heshan Power Engineering Machinery Co., Ltd., Shandong Jinheng Power Engineering Co., Ltd., Jining Kelly Power Engineering Co., Ltd. Jining Tianyou Power Engineering Co., Ltd., Jining Cheng Yuyuan Power Engineering Installation Co., Ltd., Jining Fenglude Power Engineering Co., Ltd., Jining He Yue Power Installation Engineering Co., Ltd., Jining Chongwen Power Engineering Installation Center, Zoucheng Zhenning Power Engineering Installation Labor Service Co., Ltd., Zoucheng Juneng Power Engineering Construction Department.