| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 928.83 | USD | 20250923 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 928.83 | USD | 20250923 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 873.95 | USD | 20250923 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.76 | USD | 20250923 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 843.81 | USD | 20250922 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 928.19 | USD | 20250922 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 857.87 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |