定密工作是保密工作的基础和源头,做好了定密工作,就抓住了保密工作的根本。军工企业的定密工作与党政机关有许多不同之处,党政机关的定密工作基本上是对文件资料定密,即大都是对红头文件进行密级界定。而从事国防军工生产的企业,既有文件资料定密,也有密品定密。从项目或产品立项、研制、试验、批量生产到交付用户,中间经历环节多、过程复杂、信息量大,如一个涉密项目或产品,往往衍生、分解 Confidentiality work is the foundation and source of confidential work. When the work of confidentiality is well done, the foundation of confidential work is seized. The work of confidentiality of military enterprises has many differences from the party and government organs. The work of deciding on the secrecy of party and government organs is basically a process of deciding on the confidentiality of the documents and materials, ie most of them are confined to the confidential documents. The enterprises engaged in the production of national defense warriors and old materials, both the secret documents, but also dense secret goods. From the project or product project, development, testing, mass production to deliver the user, the middle of many links, the process is complex, large amount of information, such as a classified project or product, often derived, decomposition