| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | Industrial Grade | MT | 844.5 | USD | 20251010 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251010 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 907.84 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.8 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 815.73 | USD | 20251009 |