| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 922.26 | USD | 20251014 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1098.27 | USD | 20251014 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1154.59 | USD | 20251014 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 999.7 | USD | 20251014 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1239.07 | USD | 20251014 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 971.54 | USD | 20251014 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1056.03 | USD | 20251014 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1239.07 | USD | 20251014 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1056.03 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 922.26 | USD | 20251014 |