| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 922.26 | USD | 20251014 |
| Jinan Xinhou Trading Co., Ltd. | China national standards | MT | 1126.43 | USD | 20251014 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 929.3 | USD | 20251014 |
| Jinan Xingdate Biotechnology Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1098.27 | USD | 20251014 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1182.75 | USD | 20251014 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1112.35 | USD | 20251014 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 922.44 | USD | 20251013 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 915.4 | USD | 20251013 |