| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1190.74 | USD | 20250820 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1232.77 | USD | 20250820 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.61 | USD | 20250820 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.61 | USD | 20250820 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 980.61 | USD | 20250820 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 966.6 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 980.61 | USD | 20250820 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 924.58 | USD | 20250820 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 952.59 | USD | 20250820 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 980.96 | USD | 20250819 |