| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1099.38 | USD | 20251017 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 958.43 | USD | 20251017 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1183.95 | USD | 20251017 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1198.04 | USD | 20251017 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |