| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1154.59 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 922.26 | USD | 20251014 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1056.03 | USD | 20251014 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 929.3 | USD | 20251014 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1239.07 | USD | 20251014 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 999.7 | USD | 20251014 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1267.23 | 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 |