| Vendor | Spec | Unit | Price | Currency | Date |
| Zaozhuang Yitai Energy Technology Co., Ltd. | China national standards | MT | 394.62 | USD | 20251022 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 338.25 | USD | 20251022 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.84 | USD | 20251022 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.28 | USD | 20251022 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 235.36 | USD | 20251022 |
| Qingdao Ruishuang Chemical Co., Ltd. | China national standards | MT | 422.81 | USD | 20251022 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 324.15 | USD | 20251022 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 408.72 | USD | 20251022 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 338.25 | USD | 20251022 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 324.15 | USD | 20251022 |