| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 268.54 | USD | 20251210 |
| Qingdao Ruishuang Chemical Co., Ltd. | China national standards | MT | 424.01 | USD | 20251210 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 353.34 | USD | 20251210 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 339.21 | USD | 20251210 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 332.14 | USD | 20251210 |
| Zaozhuang Yitai Energy Technology Co., Ltd. | China national standards | MT | 395.74 | USD | 20251210 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 228.97 | USD | 20251210 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 228.97 | USD | 20251210 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 228.97 | USD | 20251210 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 228.97 | USD | 20251210 |