Anyị ụlọ ọrụ ipuiche niile nso nke ígwè scaffolding na formwork na Aluminom ọrụ maka ihe karịrị 10 afọ, factory dị na Tianjin na Renqiu City, nke bụ kasị n'ichepụta isi nke ígwè na scaffolding ngwaahịa na China. Ọzọkwa, e nwere ọdụ ụgbọ mmiri kacha ibu, Tianjin Xingang Port, nke dị n'ebe ugwu China, na-eme ka ọ dịkwuo mfe ibuga ngwongwo na gburugburu ụwa.
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