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Baojia passed the qualification of quality system ISO9001 in the year of 2005 and the product certification to CTC (China Building Material Test & Certification Center) in 2008.
公司于2005年通过了ISO9001质量体系认证，并于2008年通过了中国建筑材料检验认证中心的产品认证。
Manufactured concrete masonry blocks have stood the test of time as a core building material for retaining walls.
制造混凝土砌块块经受作为挡土墙核心建筑材料了时间的考验。
The heat insulating and reflective film was approved to be a new building material especially suitable for wall and roof insulation by insulation test and actual project application.
本文通过工程实际应用及保温隔热性能测试、比较，证明绝热反射膜是一种特别适于墙体和屋面保温的新型建筑材料。
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