| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 844.32 | USD | 20250828 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 788.03 | USD | 20250828 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 781.0 | USD | 20250828 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 745.82 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 907.65 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 935.79 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.61 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 942.83 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 844.32 | USD | 20250828 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 844.32 | USD | 20250828 |