We are company involved in petroleum and mining explroation, production and supplies. We have our own mines of high sulphur coal, laterite, gypsum, chromite and granite. We export OPC cement as well. While we import low sulphur coal, petcoke and shredded tires. We further sell offgrade PTA and offgrade Benzoic Acid. Details can be found on www.UpstreamTechnologies.net