| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 256.14 | USD | 20251008 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 316.66 | USD | 20251008 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 239.25 | USD | 20251008 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 267.4 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 246.29 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 246.29 | USD | 20251008 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 246.29 | USD | 20251008 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 246.29 | USD | 20251008 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 246.29 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 239.25 | USD | 20251008 |