Companies were all assigned a numerical Standard Industrial Classification(SIC) ( SIC ) code ( now North American industry classification system, or NAICS ) identifying which industry sector they fit in to. 每个企业都会有一个标准产业代码(SIC)(现为北美产业分类系统,简称NAICS),用来确定各自属于哪个产业部门。
The general standard for the industrial classification includes management type and investment type. The current various standards for the industrial classification in A share market have both advantages and disadvantages, among which the standard by CITIC relatively took into account both the industrial attributes and market attributes. 一般的行业分类标准分为管理型和投资型,目前A股市场所采用的各类行业标准都有其优劣势,其中中信行业分类标准相对折中地兼顾了产业面属性和市场面属性。