| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1114.54 | USD | 20251027 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 945.25 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1100.44 | USD | 20251027 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 919.24 | USD | 20251026 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 919.24 | USD | 20251026 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 916.42 | USD | 20251026 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.24 | USD | 20251026 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 919.24 | USD | 20251026 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.24 | USD | 20251026 |