| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.76 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.82 | USD | 20251201 |
| Xiangfen Longtengda Chemical Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 855.01 | USD | 20251201 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 777.29 | USD | 20251201 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.82 | USD | 20251201 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 699.26 | USD | 20251130 |