| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1017.54 | USD | 20251201 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1342.59 | USD | 20251201 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 890.35 | USD | 20251201 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 869.15 | USD | 20251201 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 868.78 | USD | 20251130 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 889.97 | USD | 20251130 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 861.72 | USD | 20251130 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 889.97 | USD | 20251130 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 875.84 | USD | 20251130 |