| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.26 | USD | 20251130 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 706.32 | USD | 20251130 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.26 | USD | 20251130 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 699.26 | USD | 20251130 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251129 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.47 | USD | 20251129 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251129 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 706.32 | USD | 20251129 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.21 | USD | 20251129 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.47 | USD | 20251129 |