| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.41 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.46 | USD | 20251017 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 436.93 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 380.56 | USD | 20251017 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 324.18 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.41 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.37 | USD | 20251017 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 338.27 | USD | 20251017 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 338.27 | USD | 20251017 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 242.43 | USD | 20251017 |