| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.63 | USD | 20251209 |
| China national standards | MT | 395.63 | USD | 20251209 | |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 367.37 | USD | 20251209 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 398.46 | USD | 20251209 |
| China national standards | MT | 389.98 | USD | 20251209 | |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 324.98 | USD | 20251209 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 346.18 | USD | 20251209 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 395.63 | USD | 20251209 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 324.98 | USD | 20251209 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 324.98 | USD | 20251209 |