| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 817.49 | USD | 20251017 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1409.46 | USD | 20251017 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1085.29 | USD | 20251017 |
| Hunan Qilu New Materials Technology Co., Ltd. | China national standards | MT | 993.67 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 927.43 | USD | 20251017 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.3 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.3 | USD | 20251017 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251017 |