| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 788.79 | USD | 20251015 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 732.45 | USD | 20251015 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 774.7 | USD | 20251015 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 831.04 | USD | 20251015 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |