| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 890.28 | USD | 20251208 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 848.07 | USD | 20251207 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 848.07 | USD | 20251207 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 848.07 | USD | 20251207 |
| Hebei Risun Energy Limited | China national standards | MT | 961.14 | USD | 20251207 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251207 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 904.61 | USD | 20251207 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.47 | USD | 20251206 |