| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1028.07 | USD | 20251013 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 887.24 | USD | 20251013 |
| Hebei Risun Energy Limited | China national standards | MT | 957.65 | USD | 20251013 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 943.57 | USD | 20251013 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.74 | USD | 20251013 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 887.24 | USD | 20251013 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |