| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.07 | USD | 20251205 |
| Xiangfen Longtengda Chemical Co., Ltd. | China national standards | MT | 848.07 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.07 | USD | 20251205 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 848.07 | USD | 20251205 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 947.22 | USD | 20251204 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 947.22 | USD | 20251204 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.85 | USD | 20251204 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.85 | USD | 20251204 |