| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 330.04 | USD | 20251105 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 416.07 | USD | 20251105 |
| China national standards | MT | 409.02 | USD | 20251105 | |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 328.63 | USD | 20251105 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.5 | USD | 20251105 |
| China national standards | MT | 338.5 | USD | 20251105 | |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 338.5 | USD | 20251105 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.5 | USD | 20251105 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.5 | USD | 20251105 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.5 | USD | 20251105 |