Tianjin Blue Sky Boyuan Environmental Protection Technology Co., Ltd. is registered at No. 16, Southwest 5th Road, Zhaozhuang Village, Xiaodian Town, Beichen District, Tianjin. The registration authority is the Market Supervision and Administration Bureau of Beichen District, Tianjin, and the legal representative is Yang Xiuqing. Its business scope includes the development of environmental engineering technology, floor engineering, indoor and outdoor decoration construction, wholesale and retail of chemical products, building materials, cleaning supplies, cleaning services, labor services, floor coating packaging and sales. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)