| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 819.52 | USD | 20251209 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 861.91 | USD | 20251209 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 862.02 | USD | 20251208 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 862.2 | USD | 20251206 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.4 | USD | 20251206 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.4 | USD | 20251206 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.4 | USD | 20251206 |