| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 713.64 | USD | 20251208 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.49 | USD | 20251208 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.49 | USD | 20251208 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 706.57 | USD | 20251208 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 748.97 | USD | 20251208 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 748.97 | USD | 20251208 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.81 | USD | 20251208 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.81 | USD | 20251208 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.77 | USD | 20251208 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 777.23 | USD | 20251208 |