| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Chlor-Alkali | China national standards | MT | 490.17 | 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 | |
| Shanghai Chlor-Alkali | China national standards | MT | USD | 20251225 | |
| Shanghai Chlor-Alkali | China national standards | MT | USD | 20251224 | |
| Shanghai Chlor-Alkali | China national standards | MT | USD | 20251223 |