| Vendor | Spec | Unit | Price | Currency | Date |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 846.49 | USD | 20251027 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 888.81 | USD | 20251027 |
| Zhenjiangunionchemicalindustry Co., Ltd. | China national standards | MT | 846.49 | USD | 20251027 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1114.54 | USD | 20251027 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 917.03 | USD | 20251027 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251026 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.93 | USD | 20251026 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251026 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 958.72 | USD | 20251025 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251025 |