东方雨虹：公司目前涵盖建筑防水等多元业务板块

Group 1 - The company, Dongfang Yuhong, has a diverse business portfolio that includes building waterproofing, civil building materials, mortar powder, building coatings, energy-saving insulation, adhesives, pipe industry, building maintenance, new energy, non-woven fabrics, special films, and emulsions [2]