| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250919 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250919 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250919 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1237.21 | USD | 20250919 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |