| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 817.27 | USD | 20251016 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 816.96 | USD | 20251015 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 816.66 | USD | 20251014 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 767.53 | USD | 20251013 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 767.09 | USD | 20251012 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 767.09 | USD | 20251011 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 767.09 | USD | 20251010 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 766.5 | USD | 20251009 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 767.01 | USD | 20251007 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 767.01 | USD | 20251006 |