| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 928.19 | USD | 20250922 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 873.34 | USD | 20250922 |
| Hebei Risun Energy Limited | China national standards | MT | 956.32 | USD | 20250922 |
| New SOLAR Technology Group Co., Ltd. | China national standards | MT | 883.19 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 843.81 | USD | 20250922 |
| Zhenjiangunionchemicalindustry Co., Ltd. | China national standards | MT | 878.97 | USD | 20250922 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.19 | USD | 20250922 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 900.06 | USD | 20250922 |