| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 925.81 | USD | 20251206 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1229.7 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1201.43 | USD | 20251205 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1017.68 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1074.22 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1201.43 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1300.37 | USD | 20251205 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251205 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 918.74 | USD | 20251205 |