| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.38 | USD | 20251125 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 875.38 | USD | 20251125 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1002.46 | USD | 20251125 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1002.46 | USD | 20251125 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1058.93 | USD | 20251125 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1108.35 | USD | 20251125 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1171.89 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.38 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.38 | USD | 20251125 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.34 | USD | 20251125 |