| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 456.92 | USD | 20250920 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 421.77 | USD | 20250920 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250920 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 393.66 | USD | 20250920 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 393.66 | USD | 20250920 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.36 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 463.95 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 534.25 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 407.72 | USD | 20250920 |