| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1518.39 | USD | 20250919 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1040.38 | USD | 20250919 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1040.38 | USD | 20250919 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.08 | USD | 20250919 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.08 | USD | 20250919 |