| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.65 | USD | 20251202 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.65 | USD | 20251202 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.65 | USD | 20251202 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.65 | USD | 20251202 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |