Welcome to visit us!

[email protected]
logo logo

How Is Coal Made In Nature

What is coal? coal is a combustible black or brownish-black sedimentary rock composed mostly of carbon and hydrocarbons.Coal is made of the remains of ancient trees and plants that grew in great swampy jungles in warm, moist climates hundreds of millions.

Copyright© 2020 FUMINE machinery.All rights reserved.Sitemap