| Vendor | Spec | Unit | Price | Currency | Date |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.13 | USD | 20251028 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.79 | USD | 20251028 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 790.34 | USD | 20251028 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 747.73 | USD | 20251027 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.16 | USD | 20251027 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 705.41 | USD | 20251027 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 747.73 | USD | 20251027 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.52 | USD | 20251027 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 818.27 | USD | 20251027 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 818.27 | USD | 20251027 |