| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.86 | USD | 20250930 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.86 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1027.37 | USD | 20250930 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.21 | USD | 20250929 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.48 | USD | 20250929 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1026.88 | USD | 20250929 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.21 | USD | 20250929 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 900.28 | USD | 20250929 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 970.61 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |