| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.03 | USD | 20250905 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.03 | USD | 20250905 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.03 | USD | 20250905 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 970.96 | USD | 20250905 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1329.79 | USD | 20250905 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1294.61 | USD | 20250905 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1041.31 | USD | 20250905 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1196.1 | USD | 20250905 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1153.48 | USD | 20250902 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1308.22 | USD | 20250902 |