| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 353.16 | USD | 20251128 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 353.16 | USD | 20251128 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 395.54 | USD | 20251128 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 360.23 | USD | 20251128 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 381.42 | USD | 20251128 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 324.91 | USD | 20251128 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 395.54 | USD | 20251128 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.67 | USD | 20251128 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 423.79 | USD | 20251128 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 324.91 | USD | 20251128 |