Qingdao Longchangda Construction and Installation Co., Ltd., Qingdao Runfa Decoration Engineering Co., Ltd., Qingdao Jianyi Group Boxin Engineering Co., Ltd., Qingdao Sanqi Real Estate Co., Ltd., Qingdao Qin Tian Zhuoyue Construction Engineering Co., Ltd., Qingdao Jiangwei Construction Engineering Co., Ltd., Qingdao Lvguangyuan Technology Engineering Co., Ltd., Qingdao Dongyue Decoration Engineering Co., Ltd., Suzhou Longjiang Construction Engineering Co., Ltd., Beijing Wanxing Construction Group Co., Ltd., Qingdao Derui Construction Decoration Engineering Co., Ltd. Qingdao Runfengyuan Garden Landscape Engineering Co., Ltd., Nanjing Jinhong Decoration Engineering Co., Ltd. Qingdao Branch, Taiwan Province Hongchang Decoration Design Engineering Co., Ltd. Qingdao Xinkaida Municipal Engineering Co., Ltd., Qingdao Times Planning Decoration Design Engineering Co., Ltd.