2503.10 Sulphur, crude or unrefined 2503.10.00 D 2503.10.00 D 2503.10.01 A

2503.90 Sulphur nes, exc sublimated, precipitated & colloidal & crude 2503.90.00 D 2503.90.00 D 2503.90.99 A

2504.10 Natural graphite in powder or flakes 2504.10.10 A 2504.10.10 A 2504.10.01 A

2504.10.20 A 2504.10.50 D