| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.56 | USD | 20251101 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 945.26 | USD | 20251101 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 775.96 | USD | 20251031 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 747.74 | USD | 20251031 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 719.53 | USD | 20251031 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 945.26 | USD | 20251031 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 705.42 | USD | 20251031 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 747.74 | USD | 20251031 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 747.74 | USD | 20251031 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 719.53 | USD | 20251031 |