| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 407.58 | USD | 20250928 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 534.07 | USD | 20250928 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 463.8 | USD | 20250928 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 456.77 | USD | 20250928 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 456.77 | USD | 20250928 |
| Shandong Luxi Chemical Co., Ltd. | 90% | MT | 534.07 | USD | 20250928 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 435.69 | USD | 20250928 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 393.52 | USD | 20250928 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1040.03 | USD | 20250928 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 393.52 | USD | 20250928 |