| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 946.81 | USD | 20251208 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 812.56 | USD | 20251208 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 847.89 | USD | 20251208 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 847.89 | USD | 20251208 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 784.3 | USD | 20251208 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.28 | USD | 20251208 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 763.1 | USD | 20251208 |
| New SOLAR Technology Group Co., Ltd. | China national standards | MT | 777.23 | USD | 20251208 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 847.89 | USD | 20251208 |