| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 903.11 | USD | 20251111 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 903.24 | USD | 20251110 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 903.5 | USD | 20251109 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 903.5 | USD | 20251108 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 903.5 | USD | 20251107 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 917.24 | USD | 20251106 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 916.77 | USD | 20251105 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 916.98 | USD | 20251104 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 917.21 | USD | 20251103 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 917.04 | USD | 20251102 |