| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1020.22 | USD | 20250828 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 928.75 | USD | 20250828 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 970.97 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 985.04 | USD | 20250828 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 928.75 | USD | 20250828 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.04 | USD | 20250828 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.04 | USD | 20250828 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.04 | USD | 20250828 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 956.9 | USD | 20250828 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 928.75 | USD | 20250828 |