Vulcan is the Chinese Pyrite (ferro sulphur, iron sulfide, Fe-S, ferrous disulfide, pyrrhotite, piryte, FeS2 CAS# 1309-36-0) supplier, who has the shares in the Chinese best Pyrite mountains and has been exporting the Pyrite for over 20 years. Now we export the high quality (S: 44-52%) Iron Pyrite of 40000 tons and the common quality (S: 35% min) Iron Pyrite of 120000 tons annually. Below for your ref is some info of our high quality pyrite, as per which we usually export to Japan, some EU countries and USA:

Pyrite

S: 44-52%

Fe: 42-48%

SiO2: 1-3%

Size: in lumps (0-5, 3-10, 5-15, 10-30, 10-50, 20-80mm... ) and in fine powder (100, 200, 325, 400mesh... )

Hope to establish the cooperation with you.