| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.2 | USD | 20251120 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.65 | USD | 20251119 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 790.16 | USD | 20251119 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 945.37 | USD | 20251119 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 776.05 | USD | 20251119 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1693.19 | USD | 20251119 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 733.72 | USD | 20251119 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 733.72 | USD | 20251119 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 747.83 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.65 | USD | 20251119 |