| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 970.08 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1265.32 | USD | 20250919 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 970.08 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1047.41 | USD | 20250919 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 984.14 | USD | 20250919 |