| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1233.84 | USD | 20250818 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1050.85 | USD | 20250817 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1015.82 | USD | 20250816 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 924.75 | USD | 20250816 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 924.75 | USD | 20250816 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1050.85 | USD | 20250816 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 924.75 | USD | 20250816 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 952.77 | USD | 20250816 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.79 | USD | 20250815 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.79 | USD | 20250815 |