| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 366.79 | USD | 20251104 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 395.01 | USD | 20251104 |
| China national standards | MT | 423.22 | USD | 20251104 | |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 423.22 | USD | 20251104 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 369.71 | USD | 20251103 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.66 | USD | 20251103 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.11 | USD | 20251103 |
| Jiangsu SOPO Chemical Co., Ltd. | China national standards | MT | 352.77 | USD | 20251103 |
| China national standards | MT | 296.33 | USD | 20251103 | |
| China national standards | MT | 338.66 | USD | 20251103 |