The registered address of Shandong Dengnuo New Material Technology Co., Ltd. is located at the east end of Zhuzhuang Village, Tangma Town, Yutai County. The registration authority is the Yutai County Market Supervision and Administration Bureau, and the legal representative is Yuan Yonghuan. The business scope includes the research and sales of new building materials; Sales of chemical additives (excluding dangerous goods), adhesive materials, and packaging materials; Processing and sales of door and window accessories (projects prohibited or restricted by the state are not allowed to operate, and projects that require approval by law can only be carried out after approval by relevant departments).