Copper is an important raw material, which mainly has been produced by drymetallurgy at present.
铜是一种重要的原料，目前仍主要采用火法冶金方法生产。
2
Rotary kiln calcine capital equipment cement of grog there are dry process production and wet process production have already been used such trades as metallurgy chemical industry etc. extensively.
回转窑是煅烧水泥熟料的主要设备，可分为干法生产和湿法生产，亦已被广泛应用冶金、化工等行业。
3
The product has an excellent anti-wear, corrosion, wear and low performance. Were applied to building materials, metallurgy, mining, and electric power industries dry state, wet wear and tear.