| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.82 | USD | 20251201 |
| Jiangsu Yangnong Chemical Co., Ltd. | China national standards | MT | 1483.91 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.71 | USD | 20251201 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1582.84 | USD | 20251201 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1483.91 | USD | 20251201 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1144.73 | USD | 20251201 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.82 | USD | 20251201 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.71 | USD | 20251201 |