| Vendor | Spec | Unit | Price | Currency | Date |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 679.06 | USD | 20251211 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 565.88 | USD | 20251211 |
| BASF-YPC. Co., Ltd. | China national standards | MT | 679.06 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 580.03 | USD | 20251211 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 551.74 | USD | 20251211 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 537.59 | 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 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 602.67 | USD | 20251211 |
| Liaocheng Jinxinda New Material Co., Ltd. | China national standards | MT | 530.52 | USD | 20251211 |