| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1017.34 | USD | 20251209 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 918.43 | USD | 20251209 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 861.91 | USD | 20251209 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1010.27 | USD | 20251209 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1080.92 | USD | 20251209 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1052.66 | USD | 20251209 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 960.82 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1271.67 | USD | 20251209 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1059.73 | USD | 20251209 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1017.34 | USD | 20251209 |