| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.79 | USD | 20251211 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 720.82 | USD | 20251210 |