| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |
| New SOLAR Technology Group Co., Ltd. | China national standards | MT | 770.07 | USD | 20251209 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 946.69 | USD | 20251209 |
| Hebei Risun Energy Limited | China national standards | MT | 960.82 | USD | 20251209 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 833.65 | USD | 20251209 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1031.47 | USD | 20251209 |