| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251025 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 986.92 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251025 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1092.66 | USD | 20251025 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1240.69 | USD | 20251025 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 916.42 | USD | 20251025 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251025 |