| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250902 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1019.85 | USD | 20250902 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 928.64 | USD | 20250901 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 956.78 | USD | 20250901 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 984.92 | USD | 20250901 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 984.92 | USD | 20250901 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 928.64 | USD | 20250901 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.92 | USD | 20250901 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.92 | USD | 20250901 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 970.85 | USD | 20250901 |