| Vendor | Spec | Unit | Price | Currency | Date |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 887.96 | USD | 20251017 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 789.3 | USD | 20251017 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.73 | USD | 20251017 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 732.92 | USD | 20251017 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251017 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251017 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 803.39 | USD | 20251017 |