| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1015.99 | USD | 20250819 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 952.93 | USD | 20250819 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1051.02 | USD | 20250819 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 980.96 | USD | 20250819 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 980.96 | USD | 20250819 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.96 | USD | 20250819 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.96 | USD | 20250819 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 966.94 | USD | 20250819 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.96 | USD | 20250819 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 924.9 | USD | 20250819 |