| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 869.22 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 855.09 | USD | 20251210 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 751.91 | USD | 20251210 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 751.91 | USD | 20251210 |
| Hunan Qilu New Materials Technology Co., Ltd. | China national standards | MT | 848.02 | USD | 20251210 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 734.95 | USD | 20251210 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 734.95 | USD | 20251210 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 734.95 | USD | 20251210 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 734.95 | USD | 20251210 |