| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 943.26 | USD | 20250831 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 957.34 | USD | 20250830 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 943.26 | USD | 20250830 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.95 | USD | 20250830 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 929.18 | USD | 20250830 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 929.18 | USD | 20250830 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 948.89 | USD | 20250829 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 943.26 | USD | 20250829 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 957.34 | USD | 20250829 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.95 | USD | 20250829 |