| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.58 | USD | 20250929 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1195.68 | USD | 20250929 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1170.36 | USD | 20250929 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1209.75 | USD | 20250929 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1209.75 | USD | 20250929 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 956.55 | USD | 20250929 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1237.88 | USD | 20250929 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250928 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1183.38 | USD | 20250928 |