| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 998.17 | USD | 20251021 |
| Shandong Jinling Chem | China national standards | MT | 1099.68 | USD | 20251021 |
| Shandong Jinmao | China national standards | MT | 1099.68 | USD | 20251021 |
| Dongying Huatai Chem | China national standards | MT | 1099.68 | USD | 20251021 |
| Shandong Aite Chem | China national standards | MT | 1480.33 | USD | 20251021 |
| Shandong Aite Chem | China national standards | MT | 1480.33 | USD | 20251021 |
| Shandong Aite Chem | China national standards | MT | 1550.82 | USD | 20251021 |
| Shandong Aite Chem | China national standards | MT | 1156.07 | USD | 20251021 |
| Shandong Aite Chem | China national standards | MT | 1452.14 | USD | 20251021 |
| Shandong LuoHeng Chem | China national standards | MT | 1931.48 | USD | 20251021 |