| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 480.06 | USD | 20251114 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 988.35 | USD | 20251114 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 564.77 | USD | 20251114 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 571.51 | USD | 20251113 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.79 | USD | 20251113 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 564.71 | USD | 20251112 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 480.0 | USD | 20251112 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 988.24 | USD | 20251112 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.78 | USD | 20251111 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.78 | USD | 20251111 |