NAICS代码查找
铁矿石矿业
天真的代码 | 天真描述 | |
---|---|---|
212210 | 铁矿石矿业 | |
212221 | 金矿矿业 | |
212222 | 银矿石矿业 | |
212231 | 铅矿和锌矿矿业 | |
212234 | 铜矿和镍矿石采矿 | |
212291 | 铀 - 镭钒矿石采矿 | |
212299. | 所有其他金属矿石采矿 | |
没有发现! |
描述
This industry group comprises establishments primarily engaged in developing mine sites or mining metallic minerals, and establishments primarily engaged in ore dressing and beneficiating (i.e., preparing) operations, such as crushing, grinding, washing, drying, sintering, concentrating, calcining, and leaching. Beneficiating may be performed at mills operated in conjunction with the mines served or at mills, such as custom mills, operated separately.