4th, Nowemapa, 2020, ua hāʻawi ʻo Mr. PETER FRANZ, Luna Nui o ʻenehana a me R&D o Grace, i kahi kaʻana like ʻenehana maikaʻi loa ma "Frontier Energy-saving Technologies and Development Trends of Plastic Pipe Manufacturing" ma ka hālāwai kūkā ma Hall 5 o Nanjing International. Expo Ce...
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