| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.15 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.4 | USD | 20251202 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.59 | USD | 20251202 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.59 | USD | 20251202 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 776.9 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 762.78 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.46 | USD | 20251202 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 699.21 | USD | 20251202 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 713.34 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.21 | USD | 20251202 |