| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem | China national standards | MT | 194.49 | USD | 20251022 |
| Shanghai SKY Chem | China national standards | MT | 194.49 | USD | 20251022 |
| Shanghai SKY Chem | China national standards | MT | 260.73 | USD | 20251022 |
| Wuhan Hengjiu Chem | China national standards | MT | 205.77 | USD | 20251022 |
| Wuhan Hengjiu Chem | China national standards | MT | 232.55 | USD | 20251022 |
| Wuhan Hengjiu Chem | China national standards | MT | 183.22 | USD | 20251022 |
| Jinan Jinrihe Chem | China national standards | MT | 183.22 | USD | 20251022 |
| Henan Sendi EnvTech | China national standards | MT | 194.49 | USD | 20251022 |
| Henan Sendi EnvTech | China national standards | MT | 201.54 | USD | 20251022 |
| Henan Sendi EnvTech | China national standards | MT | 201.54 | USD | 20251022 |