| Vendor | Spec | Unit | Price | Currency | Date |
| BASF-YPC. Co., Ltd. | China national standards | MT | 537.59 | USD | 20251211 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 509.29 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 495.15 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 580.03 | USD | 20251211 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 580.03 | USD | 20251211 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 537.59 | USD | 20251211 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 608.32 | USD | 20251211 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 594.18 | USD | 20251211 |
| Satellite Chemical Co., Ltd. | China national standards | MT | 500.81 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 636.62 | USD | 20251211 |