| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 925.61 | USD | 20251208 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Yixing Wencheng Chemical Co., Ltd. | China national standards | MT | 1017.47 | USD | 20251208 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1102.26 | USD | 20251208 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1017.47 | USD | 20251208 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 960.94 | USD | 20251208 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1229.44 | USD | 20251208 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 904.41 | USD | 20251208 |