| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 943.02 | USD | 20251011 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 717.82 | USD | 20251010 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 745.97 | USD | 20251010 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 760.05 | USD | 20251010 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 760.05 | USD | 20251010 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 731.9 | USD | 20251010 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 774.12 | USD | 20251010 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 774.12 | USD | 20251010 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |