| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1054.76 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1075.86 | USD | 20250922 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1757.94 | USD | 20250922 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |