+ CHECK THE PRODUCTS AND CUSTOMERS OR SUPPLIERS OF PETRO MATERIALES SOCIEDAD ANONIMA
| Description | HS CODE |
| Salt, including table and dentrd, pure sodium chloride... | 2501 |
| Kaolin and other kaolinic clays, including calcined... | 2507 |
| Other clays (not including expanded clays of heading No 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths... | 2508 |
| Mica, including splittings; mica waste... | 2525 |
| Mineral substances not elsewhere specified or included... | 2530 |
| Oils and other products of the distillation of high temperature coal tar; similar products in which the weight of the aromatic constituents exceeds that of the non-aromatic constituents... | 2707 |
| Hydrogen chloride (hydrochloric acid); chlorosulphuric acid... | 2806 |
| Zinc oxide and zinc peroxide... | 2817 |
| Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides... | 2827 |
| Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined... | 2835 |
