| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.61 | USD | 20251203 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 749.07 | USD | 20251203 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 749.07 | USD | 20251203 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 727.87 | USD | 20251203 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 777.34 | USD | 20251203 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.81 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.01 | USD | 20251203 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.61 | USD | 20251203 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.61 | USD | 20251203 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.94 | USD | 20251203 |