| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1624.55 | USD | 20251130 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1624.55 | USD | 20251129 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1624.55 | USD | 20251128 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1624.39 | USD | 20251126 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1623.7 | USD | 20251125 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1623.22 | USD | 20251124 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1622.57 | USD | 20251123 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1622.57 | USD | 20251122 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1622.57 | USD | 20251121 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1621.89 | USD | 20251120 |