| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 394.65 | USD | 20251017 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 373.51 | USD | 20251017 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 369.28 | USD | 20251017 |
| China national standards | MT | 295.99 | USD | 20251017 | |
| Jiangsu SOPO Chemical Co., Ltd. | China national standards | MT | 352.37 | USD | 20251017 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 401.7 | USD | 20251017 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.03 | USD | 20251017 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.65 | USD | 20251017 |
| China national standards | MT | 422.84 | USD | 20251017 | |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 366.36 | USD | 20251016 |