Triển lãm thương mại Thiết bị công nghiệp, Dụng cụ, Điện tử China Roofing & Waterproofing Expo 2023

R&W is sponsored by China National Building Waterproof Association (CWA), supported by International Roofing Alliance (IRoofA), National Roofing Contractors Association (NRCA) and Central Association of German Roofing Contractors (ZVDH). As China's major EXPO in roof and waterproof industry, R&W is known worldwide for its features of being authoritative, international and professional and has been recognized as one of the top three roofing expos in the world.