【大连门窗DL是哪个国家的品牌？】

大连金属门窗有限公司始建于1984年是生产各种钢质隔热甲级、乙级、丙级防火门、防火窗的专业厂家。

企业有专业技术设计、研发人员若干，产品销往全国各地。

英文翻译：Founded in 1984, Dalian metal doors and windows Co., Ltd. is a professional manufacturer of all kinds of steel thermal insulation class A, class B, class C fireproof doors and windows. The company has a number of professional technical design and R & D personnel, and its products are sold all over the country.

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