| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1429.68 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 1429.68 | USD | 20251015 |
| Dongying Huatai Chem | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Jinling Chem | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Jinmao | China national standards | MT | 1098.27 | USD | 20251014 |
| Dongying Huatai Chem | China national standards | MT | 1098.27 | USD | 20251014 |
| Dongying Huatai Chem | China national standards | MT | 1098.27 | USD | 20251014 |
| Dongying Huatai Chem | China national standards | MT | 1098.27 | USD | 20251014 |
| Dongying Huatai Chem | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Jinling Chem | China national standards | MT | 1119.39 | USD | 20251014 |