| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 394.89 | USD | 20251120 |
| China national standards | MT | 409.0 | USD | 20251120 | |
| China national standards | MT | 296.17 | USD | 20251120 | |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 344.12 | USD | 20251120 |
| China national standards | MT | 344.12 | USD | 20251120 | |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 344.12 | USD | 20251120 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 397.72 | USD | 20251120 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.1 | USD | 20251120 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 416.05 | USD | 20251120 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 401.95 | USD | 20251120 |