| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 920.65 | USD | 20251024 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251024 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1353.49 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1029.21 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 831.83 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 927.7 | USD | 20251024 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251024 |