| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 772.99 | USD | 20250927 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 744.88 | USD | 20250926 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 941.65 | USD | 20250926 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 815.16 | USD | 20250926 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 815.16 | USD | 20250926 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 702.72 | USD | 20250926 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250926 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 744.88 | USD | 20250926 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 941.65 | USD | 20250926 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 772.99 | USD | 20250926 |