| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.63 | USD | 20251020 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 752.4 | USD | 20251020 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 887.66 | USD | 20251020 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 767.9 | USD | 20251020 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 711.54 | USD | 20251020 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 866.53 | USD | 20251020 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 718.83 | USD | 20251019 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 747.02 | USD | 20251019 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.02 | USD | 20251019 |