| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.91 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.91 | USD | 20251011 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 267.42 | USD | 20251011 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 281.5 | USD | 20251011 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 281.5 | USD | 20251011 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 295.57 | USD | 20251011 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 337.8 | USD | 20251011 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 337.8 | USD | 20251011 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 382.84 | USD | 20251011 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 351.87 | USD | 20251011 |