| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251011 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 935.99 | USD | 20251011 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.72 | USD | 20251011 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251011 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 943.02 | USD | 20251011 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251011 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1266.75 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1111.92 | USD | 20251011 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 928.95 | USD | 20251011 |