| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.01 | USD | 20250902 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.01 | USD | 20250902 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 787.74 | USD | 20250902 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 815.88 | USD | 20250902 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 787.74 | USD | 20250902 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 815.88 | USD | 20250902 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250902 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 886.21 | USD | 20250902 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 879.18 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1139.69 | USD | 20250901 |