| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.85 | USD | 20251128 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 875.84 | USD | 20251128 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1172.5 | USD | 20251128 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 918.22 | USD | 20251128 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.84 | USD | 20251128 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 974.73 | USD | 20251128 |
| Sinopec/sabic Tianjin Petrochemical Company Limited | China national standards | MT | 889.97 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.84 | USD | 20251128 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 974.73 | USD | 20251128 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 908.33 | USD | 20251128 |