| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.81 | USD | 20251203 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1003.48 | USD | 20251203 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 975.21 | USD | 20251203 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 840.94 | USD | 20251203 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.41 | USD | 20251203 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 975.21 | USD | 20251203 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 890.41 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.94 | USD | 20251203 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 862.14 | USD | 20251203 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1003.48 | USD | 20251203 |