| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1173.0 | USD | 20251201 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 890.35 | USD | 20251201 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 866.32 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1201.26 | USD | 20251201 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1158.86 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 961.01 | USD | 20251201 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |