| Vendor | Spec | Unit | Price | Currency | Date |
| 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 Xima Supply Chain Management Co., Ltd. | China national standards | MT | 888.22 | USD | 20251025 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251025 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 993.97 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1092.66 | USD | 20251025 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 |