| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 980.61 | USD | 20250820 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 980.61 | USD | 20250820 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 966.6 | USD | 20250820 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1036.65 | USD | 20250820 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 966.6 | USD | 20250820 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1148.72 | USD | 20250820 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1302.81 | USD | 20250820 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1190.74 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1288.8 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1323.83 | USD | 20250820 |