| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 931.14 | USD | 20251027 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 811.22 | USD | 20251027 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 846.49 | USD | 20251027 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 917.03 | USD | 20251027 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 959.35 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1269.73 | USD | 20251027 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1051.06 | USD | 20251027 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 917.03 | USD | 20251027 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 811.22 | USD | 20251027 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 846.49 | USD | 20251027 |