| Vendor | Spec | Unit | Price | Currency | Date |
| Binzhou Shengyuan Chemical Technology Co., Ltd. | China national standards | MT | 169.56 | USD | 20251209 |
| Binzhou Shengyuan Chemical Technology Co., Ltd. | China national standards | MT | 169.59 | USD | 20251201 |
| Binzhou Shengyuan Chemical Technology Co., Ltd. | China national standards | MT | 169.24 | USD | 20251120 |
| Binzhou Shengyuan Chemical Technology Co., Ltd. | China national standards | MT | 169.36 | USD | 20251118 |
| Binzhou Shengyuan Chemical Technology Co., Ltd. | China national standards | MT | 169.33 | USD | 20251111 |
| Binzhou Shengyuan Chemical Technology Co., Ltd. | China national standards | MT | 169.34 | USD | 20251106 |
| Binzhou Shengyuan Chemical Technology Co., Ltd. | China national standards | MT | 169.29 | USD | 20251104 |
| Binzhou Shengyuan Chemical Technology Co., Ltd. | China national standards | MT | 169.36 | USD | 20251028 |
| Binzhou Shengyuan Chemical Technology Co., Ltd. | China national standards | MT | 169.21 | USD | 20251023 |
| Binzhou Shengyuan Chemical Technology Co., Ltd. | China national standards | MT | 169.08 | USD | 20251020 |