| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.73 | USD | 20251014 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 563.21 | USD | 20251014 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.83 | USD | 20251013 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 563.32 | USD | 20251013 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 563.0 | USD | 20251011 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.55 | USD | 20251011 |