| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1047.98 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.85 | USD | 20250901 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.85 | USD | 20250901 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 914.57 | USD | 20250901 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1097.48 | USD | 20250901 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.85 | USD | 20250901 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.85 | USD | 20250901 |