英国Ｂｏｓｔｗｉｃｋ防火门和防火卷帘英国Ｂｏｓｔｗｉｃｋ门窗公司是英国一家著名的生产防火门和防火卷帘的厂家，该厂产品的所有检验证书均得到英国标准化协会（ＢＳＩ）质量认证委员会的确认。实践证明Ｂｏｓｔｗｉｃｋ公司有按照这些被检指标制造生产的能力，这些技... British Bostwick fire doors and fire shutter British Bostwick doors and windows company is a well-known British production of fire doors and fire shutter manufacturers, the factory’s products all the inspection certificate by the British Standards Institute (BSI) Quality Certification Committee to confirm. Practice has proved that Bostwick has the ability to manufacture in accordance with these seized indicators, these techniques ...