| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 702.96 | USD | 20250920 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 688.9 | USD | 20250920 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 688.9 | USD | 20250920 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 688.9 | USD | 20250920 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 688.9 | USD | 20250920 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 688.9 | USD | 20250920 |
| Hunan Yuanshuo Fine Chemical Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 688.9 | USD | 20250920 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 688.9 | USD | 20250920 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 801.37 | USD | 20250920 |