| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1256.42 | USD | 20251107 |
| Dongying Huatai Chem | China national standards | MT | 1058.78 | USD | 20251107 |
| Shandong Jinmao | China national standards | MT | 1058.78 | USD | 20251107 |
| Shandong Jinling Chem | China national standards | MT | 1058.78 | USD | 20251107 |
| Shandong Aite Chem | China national standards | MT | 1482.3 | USD | 20251107 |
| Dongying Huatai Chem | China national standards | MT | 1058.78 | USD | 20251107 |
| Shandong Yihe Chem | China national standards | MT | 988.2 | USD | 20251107 |
| Shandong Jinling Chem | China national standards | MT | 1058.78 | USD | 20251107 |
| Shandong Junfeng | China national standards | MT | 931.73 | USD | 20251107 |
| Dongying Huatai Chem | China national standards | MT | 1101.14 | USD | 20251107 |