| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.17 | USD | 20250905 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.17 | USD | 20250905 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 703.59 | USD | 20250905 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 703.59 | USD | 20250905 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 886.52 | USD | 20250905 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.09 | USD | 20250905 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.09 | USD | 20250905 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.35 | USD | 20250905 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.35 | USD | 20250905 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.05 | USD | 20250902 |