| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Chlor-Alkali | China national standards | MT | 443.28 | USD | 20260427 |
| Shanghai Chlor-Alkali | China national standards | MT | 466.23 | USD | 20260422 |
| Shanghai Chlor-Alkali | China national standards | MT | 476.72 | USD | 20260421 |
| Shanghai Chlor-Alkali | China national standards | MT | USD | 20260409 | |
| Shanghai Chlor-Alkali | China national standards | MT | USD | 20260330 | |
| Shanghai Chlor-Alkali | China national standards | MT | USD | 20260130 | |
| Shanghai Chlor-Alkali | China national standards | MT | USD | 20260120 | |
| Shanghai Chlor-Alkali | China national standards | MT | USD | 20260109 | |
| Shanghai Chlor-Alkali | China national standards | MT | USD | 20260108 | |
| Shanghai Chlor-Alkali | China national standards | MT | USD | 20251226 |