| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251025 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1240.69 | USD | 20251025 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251025 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251025 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 916.42 | USD | 20251024 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 919.24 | USD | 20251024 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 |