| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.41 | USD | 20251013 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 457.44 | USD | 20251012 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 534.85 | USD | 20251012 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.44 | USD | 20251012 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.44 | USD | 20251012 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 520.77 | USD | 20251012 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 520.77 | USD | 20251012 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 394.1 | USD | 20251012 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1041.55 | USD | 20251012 |