| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1256.23 | USD | 20251124 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1115.08 | USD | 20251124 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.64 | USD | 20251124 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1016.27 | USD | 20251124 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1115.08 | USD | 20251124 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1157.42 | USD | 20251124 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1199.29 | USD | 20251123 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1185.19 | USD | 20251123 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1255.73 | USD | 20251122 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1213.4 | USD | 20251122 |