| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1046.52 | USD | 20250826 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 913.08 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1095.69 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 969.26 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 969.26 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1244.59 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1168.74 | USD | 20250826 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 969.63 | USD | 20250825 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 969.63 | USD | 20250825 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 969.63 | USD | 20250825 |