| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 779.3 | USD | 20250929 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 717.41 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 731.48 | USD | 20250929 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 703.34 | USD | 20250929 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 731.48 | USD | 20250929 |