| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1026.88 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 927.59 | USD | 20250928 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 885.43 | USD | 20250928 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 941.65 | USD | 20250928 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 843.27 | USD | 20250928 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 913.54 | USD | 20250928 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |