| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 246.45 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 239.41 | USD | 20251013 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 281.66 | USD | 20251013 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 323.91 | USD | 20251013 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 239.41 | USD | 20251013 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.66 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 239.41 | USD | 20251013 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 242.23 | USD | 20251013 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 506.99 | USD | 20251013 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 281.66 | USD | 20251013 |