| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 602.67 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 495.15 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 492.32 | USD | 20251211 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 537.59 | USD | 20251211 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 594.18 | USD | 20251211 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 565.88 | USD | 20251211 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 679.06 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 495.15 | USD | 20251211 |
| BASF-YPC. Co., Ltd. | China national standards | MT | 537.59 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 492.32 | USD | 20251211 |