| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 928.84 | USD | 20250915 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.92 | USD | 20250915 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.62 | USD | 20250915 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 887.09 | USD | 20250913 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 943.41 | USD | 20250913 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 943.41 | USD | 20250912 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 887.09 | USD | 20250912 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 887.09 | USD | 20250912 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 887.09 | USD | 20250912 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 901.17 | USD | 20250912 |