| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 882.84 | USD | 20251202 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 882.84 | USD | 20251202 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 882.84 | USD | 20251202 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 861.65 | USD | 20251202 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 862.08 | USD | 20251201 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.28 | USD | 20251201 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.28 | USD | 20251201 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.28 | USD | 20251201 |