| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 784.49 | USD | 20250820 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 868.54 | USD | 20250820 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 840.52 | USD | 20250820 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 756.47 | USD | 20250820 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 910.57 | USD | 20250820 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 980.61 | USD | 20250820 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 896.56 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 896.56 | USD | 20250820 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 921.78 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 914.77 | USD | 20250820 |