| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.26 | USD | 20251126 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 875.76 | USD | 20251126 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 889.88 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.76 | USD | 20251126 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1059.38 | USD | 20251126 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 861.63 | USD | 20251126 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.01 | USD | 20251126 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.13 | USD | 20251126 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 908.24 | USD | 20251126 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1002.88 | USD | 20251126 |