| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 565.34 | USD | 20251203 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 480.54 | USD | 20251203 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 565.02 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 572.08 | USD | 20251202 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 480.27 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 572.08 | USD | 20251202 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 988.78 | USD | 20251202 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 565.3 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |