| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 703.68 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.2 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.2 | USD | 20250930 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 942.93 | USD | 20250930 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 942.93 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20250930 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 745.9 | USD | 20250930 |