| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1011.41 | USD | 20250826 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1081.64 | USD | 20250826 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1043.72 | USD | 20250826 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 955.22 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1208.07 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1168.74 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1194.02 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1172.95 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1208.07 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1208.07 | USD | 20250826 |