| Vendor | Spec | Unit | Price | Currency | Date |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 807.8 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 806.38 | USD | 20251211 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 806.38 | USD | 20251211 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 806.38 | USD | 20251211 |
| New SOLAR Technology Group Co., Ltd. | China national standards | MT | 768.19 | USD | 20251211 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 813.46 | USD | 20251211 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |