| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.58 | USD | 20250919 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.58 | USD | 20250919 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 717.02 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250919 |