| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1026.64 | USD | 20250922 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.19 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Hebei Risun Energy Limited | China national standards | MT | 956.32 | USD | 20250922 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 900.06 | USD | 20250922 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 857.87 | USD | 20250922 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 871.94 | USD | 20250922 |
| Hebei Risun Energy Limited | China national standards | MT | 956.02 | USD | 20250921 |