| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 938.19 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 945.25 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 846.49 | USD | 20251027 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 846.49 | USD | 20251027 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 902.92 | USD | 20251027 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 902.92 | USD | 20251027 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 846.49 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1100.44 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 917.03 | USD | 20251027 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 747.73 | USD | 20251027 |