2023 China International Green Building Materials and Prefabricated Building Expo is a professional international exhibition company approved by the Ministry of Commerce, founded in November 1995, belongs to the Chinese the Great Wall Industrial Group Co. Ltd., has the country (territory) held outside the economic and Trade Exhibition qualification, the main business of the company is: in the country hosted, to organize various large-scale international exhibitions, business Chinese in the inspection, exhibition and overseas overseas large-scale international conferences and cultural activities, design and construction...