| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 352.79 | USD | 20251030 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 338.68 | USD | 20251030 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 331.62 | USD | 20251030 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 239.9 | USD | 20251030 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 239.9 | USD | 20251030 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 239.9 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.66 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.66 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.66 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.66 | USD | 20251030 |