| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.51 | USD | 20251202 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 324.89 | USD | 20251202 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 423.76 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 395.51 | USD | 20251202 |
| Jiangsu SOPO Chemical Co., Ltd. | China national standards | MT | 353.14 | USD | 20251202 |
| China national standards | MT | 381.39 | USD | 20251202 | |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 416.7 | USD | 20251202 |
| China national standards | MT | 395.51 | USD | 20251202 | |
| China national standards | MT | 354.55 | USD | 20251202 | |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 346.07 | USD | 20251202 |