| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 570.46 | USD | 20251015 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.91 | USD | 20251015 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.73 | 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 | 985.62 | 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 |