| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1246.1 | USD | 20251009 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1097.02 | USD | 20251009 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1251.72 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1251.72 | USD | 20251009 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1040.76 | USD | 20251009 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1040.76 | USD | 20251009 |