| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 904.03 | USD | 20251202 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Hebei Risun Energy Limited | China national standards | MT | 960.53 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 847.53 | USD | 20251202 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.78 | USD | 20251202 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 946.88 | USD | 20251201 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 975.14 | USD | 20251201 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |