| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.57 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 345.42 | USD | 20251024 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 294.71 | USD | 20251023 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 235.48 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.57 | USD | 20251023 |
| Shandong Jinling Group Co., Ltd. | China national standards | MT | 324.32 | USD | 20251023 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 303.17 | USD | 20251023 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 337.01 | USD | 20251023 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 303.17 | USD | 20251023 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 296.12 | USD | 20251023 |