| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.4 | USD | 20251205 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.4 | USD | 20251205 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.4 | USD | 20251205 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 862.2 | USD | 20251205 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.6 | USD | 20251204 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.6 | USD | 20251204 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 862.4 | USD | 20251204 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.6 | USD | 20251204 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.34 | USD | 20251203 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.34 | USD | 20251203 |