| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 929.93 | 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 Hongyang Chemical Co., Ltd. | China national standards | MT | 944.02 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 922.89 | USD | 20251020 |
| 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 Jinshengrun Chemical Co., Ltd. | China national standards | MT | 803.39 | USD | 20251019 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 803.39 | USD | 20251019 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 817.49 | USD | 20251019 |