| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 492.58 | USD | 20250930 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 492.58 | USD | 20250930 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 281.47 | USD | 20250930 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 281.47 | USD | 20250930 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 256.14 | USD | 20250930 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 256.14 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 246.29 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 246.29 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 246.29 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 246.29 | USD | 20250930 |