Steel coil, also known as coil steel. The steel is hot-pressed and cold-pressed into rolls. In order to facilitate storage and transportation, it is convenient to carry out various processing (such as processing into steel plates, steel strips, etc). Form
Ferrosilicon is a ferroalloy composed of iron and silicon. Ferrosilicon is an iron silicon alloy made from coke, steel filings, quartz (or silica) by electric furnace smelting.
The refrigerant in the air conditioner is compressed by the compressor to generate high-temperature and high-pressure liquefied gas, which is radiated and condensed by the condenser to become a low-temperature and high-pressure liquid, then enters the hea
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