| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1117.62 | USD | 20251211 |
| Shanghai Xinhang Trading Co., Ltd. | China national standards | MT | 1061.03 | USD | 20251211 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1202.5 | USD | 20251211 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1018.59 | USD | 20251211 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1259.09 | USD | 20251211 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1060.03 | USD | 20251210 |
| Shanghai Xinhang Trading Co., Ltd. | China national standards | MT | 1052.96 | USD | 20251210 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1074.16 | USD | 20251210 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1060.03 | USD | 20251210 |
| Qingdao Xupu Supply Chain Co., Ltd. | China national standards | MT | 1031.76 | USD | 20251210 |