| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1696.52 | USD | 20251204 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 890.67 | USD | 20251204 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 763.43 | USD | 20251204 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |