| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.55 | USD | 20251011 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| 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 | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 563.0 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 563.0 | USD | 20251010 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 562.57 | USD | 20251009 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.19 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |