Cra. 7 No. 72 -92 T.2 Apt. 503, Bogotá, Colombia,
Carboniferous Exploitations Yerbabuena Ltda. is a Colombian company constituted on May 19 of 1976, dedicated to the operation, benefit, transformation and commercialization coal metallurgical coke. The began producing twelve thousand tons per year ...
Metallurgic Coke, Smelting Coke, Coal