| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1116.88 | USD | 20251204 |
| Shandong Jinling Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Shandong Lifuda | China national standards | MT | 1116.88 | USD | 20251204 |
| Shandong Junfeng | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 1215.84 | USD | 20251204 |
| Shandong Junfeng | China national standards | MT | 932.81 | USD | 20251203 |
| Dongying Huatai Chem | China national standards | MT | 1060.01 | USD | 20251203 |
| Shandong Jinling Chem | China national standards | MT | 1060.01 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 1434.55 | USD | 20251203 |
| Shandong Zhiheng | China national standards | MT | 1335.61 | USD | 20251203 |