| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 900.28 | USD | 20250929 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |
| Hebei Risun Energy Limited | China national standards | MT | 956.55 | USD | 20250929 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 956.55 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 900.28 | USD | 20250929 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.21 | USD | 20250929 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 873.55 | USD | 20250929 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |