| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 662.22 | USD | 20251020 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 704.49 | USD | 20251020 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.63 | USD | 20251020 |
| 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 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 718.83 | USD | 20251019 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 690.64 | USD | 20251018 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 634.26 | USD | 20251018 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 676.54 | USD | 20251018 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 747.02 | USD | 20251018 |