| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 918.91 | USD | 20251022 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 916.09 | USD | 20251022 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 993.6 | USD | 20251022 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 944.27 | USD | 20251022 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 930.18 | USD | 20251022 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 944.27 | USD | 20251022 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1057.02 | USD | 20251022 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1071.12 | USD | 20251022 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 918.91 | USD | 20251022 |