| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 748.63 | USD | 20251126 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.57 | USD | 20251126 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.63 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.51 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.51 | USD | 20251126 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 720.38 | USD | 20251126 |
| ShanDong Feiyang Chemical Co., Ltd. | China national standards | MT | 988.76 | USD | 20251126 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.44 | USD | 20251126 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.19 | USD | 20251126 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.76 | USD | 20251126 |