| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1153.48 | USD | 20250929 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1322.29 | USD | 20250929 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1308.22 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1294.15 | USD | 20250929 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 955.7 | USD | 20250928 |
| Changzhou Dohow Chemical Co., Ltd. | China national standards | MT | 955.7 | USD | 20250928 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 941.65 | USD | 20250928 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 944.46 | USD | 20250928 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |