| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 796.56 | USD | 20251021 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 775.41 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 920.63 | USD | 20251021 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1029.18 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 929.93 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 922.89 | USD | 20251020 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 831.3 | USD | 20251020 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |