| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.66 | USD | 20251030 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 239.9 | USD | 20251030 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 244.13 | USD | 20251030 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 239.9 | USD | 20251030 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 239.9 | USD | 20251030 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 310.45 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.79 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.84 | USD | 20251030 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 383.83 | USD | 20251030 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 244.13 | USD | 20251030 |