| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 902.87 | USD | 20251104 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1249.91 | USD | 20251104 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1173.73 | USD | 20251104 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1100.37 | USD | 20251104 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 973.41 | USD | 20251104 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 973.41 | USD | 20251104 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1043.94 | USD | 20251104 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1043.94 | USD | 20251104 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1043.94 | USD | 20251104 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1043.94 | USD | 20251104 |