| Vendor | Spec | Unit | Price | Currency | Date |
| Tongdai Haijing Soda | China national standards | MT | 169.38 | USD | 20251124 |
| Henan Shunzhibang | China national standards | MT | 268.18 | USD | 20251124 |
| Jinan Jinrihe Chem | China national standards | MT | 155.26 | USD | 20251124 |
| Henan Shunzhibang | China national standards | MT | 239.95 | USD | 20251124 |
| Henan Qingmai Tech | China national standards | MT | 239.95 | USD | 20251124 |
| Henan Huiyihai | China national standards | MT | 176.44 | USD | 20251124 |
| Shanghai SKY Chem | China national standards | MT | 211.72 | USD | 20251124 |
| Shanghai SKY Chem | China national standards | MT | 211.72 | USD | 20251124 |
| Shanghai SKY Chem | China national standards | MT | 261.13 | USD | 20251124 |
| Jinan Jinrihe Chem | China national standards | MT | 169.38 | USD | 20251124 |