| H.S.Code | Items | Specifications |
| 72.03.10.00 | Different iron works(general smithery) | |
| 72.12.30.00 | Flat-rolled product of iron or non-alloy steel (Otherwise plated or coated with zinc) | |
| 76.06.92.00 | Aluminium alloys | |
| 76.10.90.90 | Aluminium Falseceilings & Handrails | |
| 76.10.90.40 | Staircases of Aluminium | |
| 94.06.00.34 | Prefabricated houses of iron or steel | |