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根据交通部工技字[1993]108号文“为保证公路工程质量和使用性能,凡公路工程用的产品统一归由交通部交通工程检测中心组织检测,并给质量合格者颁发证书。无该检测中心颁发证书的产品,不得在公路、桥梁上使用”的通知精神。为使公路建设单位选用优质产品,杜绝伪劣产品,确保交通工程质量,受交通部交通工程检测中心委
According to the letter of the Ministry of Construction Technology [1993] No. 108 “In order to ensure the quality and performance of highway engineering, where the highway engineering products unified by the Traffic Engineering Testing Center of the Ministry of Transportation testing organization, and to the certificate of quality awarded. The testing center issued a certificate of the product, shall not be used on highways, bridges, ”the spirit of the notice. In order to enable highway construction units to select quality products, eliminate fake and shoddy products and ensure the quality of traffic engineering, Traffic Engineering Testing Center of the Ministry of Communications