| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 704.49 | USD | 20251020 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 704.49 | USD | 20251020 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 704.49 | USD | 20251020 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 781.99 | USD | 20251020 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 711.54 | USD | 20251020 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 711.54 | USD | 20251020 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 662.22 | USD | 20251020 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 810.17 | USD | 20251020 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 746.76 | USD | 20251020 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 767.9 | USD | 20251020 |