2023 Griene boumaterialen nei it plattelân; Propaganda en ymplemintaasje fan Algemiene Prinsipes foar Waterproof
Op 'e moarn fan 21 july om 9 oere, sponsore troch Shandong Building Materials Industry Association, Weifang Industry and Information Technology Bureau, en Shouguang Municipal People's Government, en mei organisearre troch Shouguang Industry and Information Technology Bureau en Taitou Town People's Government.
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