| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 941.65 | USD | 20250928 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250928 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 899.48 | USD | 20250928 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250928 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 843.27 | USD | 20250928 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 913.54 | USD | 20250928 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 955.7 | USD | 20250928 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 885.43 | USD | 20250928 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 885.43 | USD | 20250928 |