| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 569.6 | USD | 20251009 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.19 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 562.94 | USD | 20251008 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 562.94 | USD | 20251008 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.5 | USD | 20251008 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.5 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 562.94 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 562.67 | USD | 20250929 |