| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 233.07 | USD | 20251202 |
| Luxi Chem | China national standards | MT | 240.13 | USD | 20251202 |
| Luxi Chem | China national standards | MT | 409.64 | USD | 20251202 |
| Shandong Jinling Chem | China national standards | MT | 409.64 | USD | 20251202 |
| Jinan Jinrihe Chem | China national standards | MT | 268.38 | USD | 20251202 |
| Jinan Jinrihe Chem | China national standards | MT | 268.38 | USD | 20251202 |
| Luxi Chem | China national standards | MT | 265.56 | USD | 20251202 |
| Luxi Chem | China national standards | MT | 265.56 | USD | 20251202 |
| Shanghai Guoke | China national standards | MT | 459.08 | USD | 20251202 |
| Luxi Chem | China national standards | MT | 310.76 | USD | 20251202 |