| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.79 | USD | 20251106 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 987.79 | USD | 20251106 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 564.45 | USD | 20251106 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.54 | USD | 20251105 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 987.29 | USD | 20251105 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 564.17 | USD | 20251105 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.54 | USD | 20251105 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 564.29 | USD | 20251104 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.65 | USD | 20251104 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 987.51 | USD | 20251104 |