| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.65 | USD | 20251028 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.27 | USD | 20251027 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1078.56 | USD | 20251026 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1078.56 | USD | 20251025 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1078.56 | USD | 20251024 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1078.71 | USD | 20251023 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1078.16 | USD | 20251022 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1078.53 | USD | 20251021 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1077.87 | USD | 20251020 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1078.24 | USD | 20251019 |