| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 563.95 | USD | 20251025 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.36 | USD | 20251024 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 563.95 | USD | 20251024 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 564.03 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 571.08 | USD | 20251023 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.43 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 563.75 | USD | 20251022 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.18 | USD | 20251022 |