| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 281.66 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.12 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 239.41 | USD | 20251013 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.66 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 239.41 | USD | 20251013 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 239.41 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 239.41 | USD | 20251013 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 295.75 | USD | 20251013 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 267.58 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.16 | USD | 20251013 |