| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1104.89 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1111.92 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251010 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1111.92 | USD | 20251010 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251010 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1154.15 | USD | 20251010 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1111.92 | USD | 20251010 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1168.22 | USD | 20251010 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1238.6 | USD | 20251010 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |