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Recently, China Aerospace Science and Technology Aerospace Seiko received the notice of China Commercial Aircraft Aviation Commercial Aircraft Co., Ltd. "The high-lock bolt/nut standard parts will be approved for airworthiness by airworthiness review", which marks the development of Aerospace Seiko Guizhou Company. The ARJ21-700 aircraft high-lock bolt and high-lock nut standard parts project was successful and passed the airworthiness review work.
This type of high-lock bolts, high-lock nuts and other products have completed the airworthiness verification test and conformity verification work in accordance with the Chinese civil aviation airworthiness certification procedure. The verification results meet the standard requirements. At the same time, the AVIC Commercial Aircraft Division has also completed the installation verification test. And compliance verification work, and the Chinese Aerospace Science and Technology Aerospace Seiko APP series of 24 models of high-lock bolts, high-lock nut standard parts into the "ARJ21 aircraft standard parts selection catalog." In accordance with the airworthiness procedure, the above products will be randomly approved for airworthiness along with the ARJ21-700 aircraft model.
Jiangmen Duramp Electric Co., Ltd , https://www.durampled.com