| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1326.47 | USD | 20251106 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 973.68 | USD | 20251106 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1368.8 | USD | 20251106 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1227.69 | USD | 20251106 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1382.91 | USD | 20251106 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1199.46 | USD | 20251106 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 903.13 | USD | 20251106 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1298.24 | USD | 20251106 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1333.52 | USD | 20251106 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1291.19 | USD | 20251106 |