| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 690.64 | USD | 20251017 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 690.64 | USD | 20251017 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 794.94 | USD | 20251017 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 747.02 | USD | 20251017 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 690.64 | USD | 20251017 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 789.3 | USD | 20251017 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 789.3 | USD | 20251017 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 690.64 | USD | 20251017 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 690.64 | USD | 20251017 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 754.06 | USD | 20251017 |