| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.98 | USD | 20251027 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.38 | USD | 20251027 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1187.91 | USD | 20251027 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.6 | USD | 20251027 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1241.52 | USD | 20251027 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1015.79 | USD | 20251027 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1057.41 | USD | 20251026 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251026 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251026 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251026 |