| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 899.79 | USD | 20250919 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 2151.05 | USD | 20250919 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 2151.05 | USD | 20250919 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 787.31 | USD | 20250919 |
| Shandong Energy Group Co., Ltd. | China national standards | MT | 787.31 | USD | 20250919 |