| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 720.71 | USD | 20251208 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 720.71 | USD | 20251208 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 720.71 | USD | 20251208 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.97 | USD | 20251208 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251206 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251206 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251206 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251206 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251206 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251206 |