| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1003.55 | USD | 20251205 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1081.29 | USD | 20251205 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 897.54 | USD | 20251205 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.76 | USD | 20251205 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 975.28 | USD | 20251205 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 918.74 | USD | 20251205 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 961.36 | USD | 20251204 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 890.67 | USD | 20251204 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1053.26 | USD | 20251204 |