| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 789.09 | USD | 20251016 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 789.09 | USD | 20251016 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 789.09 | USD | 20251016 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 887.72 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 775.0 | USD | 20251016 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.5 | USD | 20251016 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 746.82 | USD | 20251016 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |