| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 959.35 | USD | 20251027 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 931.14 | USD | 20251027 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 917.03 | USD | 20251027 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 931.14 | USD | 20251027 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 931.14 | USD | 20251027 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 931.14 | USD | 20251027 |