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WebFeb 20, 2024 · 它主要起到隔离火苗、火灾的作用。防火门的取得是非常严格的,必须由消防部经济部指定认可实验室,根据2009年1月1日起实施的新版防火门国家标准gb_12955-2008,防火门耐火试验法测试合格,并取得经济部标准检验局核发验证登录证书及授权标识。 WebAgency Certification: Pass1.5h fire modality test according to the requirement of China GB-12955-2008. Our Certificate About us LOCKVEL as one of leading company of door hardware in China, has a good reputation in domestic for many years. The leadership of our company, all of which engage in building hardware nearly 20 years and accumulate ... seat ffm
Fire Door Market to Value USD 17.8 Bn by 2027; Global
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