| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 970.38 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1040.7 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 984.14 | USD | 20250921 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1033.35 | USD | 20250921 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250921 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 970.08 | USD | 20250921 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |