| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1054.76 | USD | 20250922 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 900.06 | USD | 20250922 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 942.26 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 801.62 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1237.59 | USD | 20250922 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 900.06 | USD | 20250922 |