| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1172.67 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1592.69 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1172.67 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1172.67 | USD | 20251017 |
| Weifang Yixin Chemical Co., Ltd. | China national standards | MT | 1832.3 | USD | 20251017 |
| Hunan Qilu New Materials Technology Co., Ltd. | China national standards | MT | 1733.64 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1172.67 | USD | 20251017 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1479.94 | USD | 20251017 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1761.36 | USD | 20251016 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1127.27 | USD | 20251016 |