| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 745.9 | USD | 20251004 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 745.9 | USD | 20251003 |
| ShanDong Feiyang Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20251003 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 788.12 | USD | 20251003 |
| ShanDong Feiyang Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20251002 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 745.9 | USD | 20251002 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 745.9 | USD | 20251001 |
| ShanDong Feiyang Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20251001 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 717.75 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |