| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 925.38 | USD | 20250818 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 953.42 | USD | 20250818 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 981.46 | USD | 20250818 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 981.46 | USD | 20250818 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1191.78 | USD | 20250818 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.46 | USD | 20250818 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 967.44 | USD | 20250818 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.46 | USD | 20250818 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.46 | USD | 20250818 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1233.84 | USD | 20250818 |