| Vendor | Spec | Unit | Price | Currency | Date |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 817.49 | USD | 20251018 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 817.49 | USD | 20251018 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 817.49 | USD | 20251018 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1099.38 | USD | 20251018 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 958.43 | USD | 20251018 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 958.43 | USD | 20251018 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1014.81 | USD | 20251017 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 902.06 | USD | 20251017 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 902.06 | USD | 20251017 |