Qingdao Rentian He Yi Enterprise Management Co., Ltd., Kaibao Enterprise Service, Qingdao Xinlihe Enterprise Service Co., Ltd., Zhong Ding Enterprise Service Center, Chengyang Ruizekun Enterprise Management Center, Qingdao Daxin Taihe Enterprise Management Service Co., Ltd., Qingdao Science and Technology Enterprise Incubator, Qingdao Caihuitong Enterprise Management Co., Ltd., Qingdao Qijia Enterprise Management Consulting Co., Ltd., Xinyuyi Enterprise Planning.