| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.52 | USD | 20251027 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 747.24 | USD | 20251026 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251026 |
| ShanDong Feiyang Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251026 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 803.63 | USD | 20251025 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251025 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 775.43 | USD | 20251025 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.62 | USD | 20251025 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.62 | USD | 20251025 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 803.63 | USD | 20251025 |