| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 274.46 | USD | 20251011 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 380.02 | USD | 20251011 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 235.05 | USD | 20251011 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.5 | USD | 20251011 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 235.05 | USD | 20251011 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 323.72 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 365.95 | USD | 20251011 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 380.02 | USD | 20251011 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 239.27 | USD | 20251011 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 323.72 | USD | 20251011 |