| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1029.18 | USD | 20251021 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 831.3 | USD | 20251020 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 831.3 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 922.89 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 944.02 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 929.93 | USD | 20251020 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 887.66 | USD | 20251020 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 929.93 | USD | 20251020 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 929.93 | USD | 20251020 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 901.75 | USD | 20251020 |