| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.72 | USD | 20251111 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.0 | USD | 20251111 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.67 | USD | 20251111 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 747.89 | USD | 20251111 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 691.45 | USD | 20251111 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.33 | USD | 20251111 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1693.34 | USD | 20251111 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 740.83 | USD | 20251111 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 846.67 | USD | 20251111 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 776.11 | USD | 20251111 |