西安航天工业第四研究院四十二所研制开发的新型复合材料防盗井盖，日前通过西安市科委和市城建委主持的专家鉴定，并投入批量生产。新型复合材料防盗井盖是把非金属废料经过特殊处理后，在高能树脂固化条件下模压成型，具有耐腐蚀、强度高、抗冲击、抗静电、耐磨、防盗等特点 The new composite anti-theft manhole cover developed by the 42nd Research Institute of Xi’an Aerospace Industry has passed the appraisal of experts presided over by Xi’an Municipal Science and Technology Commission and the Municipal Construction Committee, and has been put into mass production. The new composite anti-theft manhole cover is a non-metallic waste after special treatment, molding under high-energy resin molding conditions, with corrosion resistance, high strength, impact resistance, anti-static, wear-resistant, anti-theft and other features