| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1270.41 | USD | 20251029 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 945.75 | USD | 20251029 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 906.23 | USD | 20251029 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 917.52 | USD | 20251029 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 945.75 | USD | 20251029 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1129.26 | USD | 20251029 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1270.18 | USD | 20251028 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 920.18 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 920.18 | USD | 20251028 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 914.53 | USD | 20251028 |