| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 947.85 | USD | 20251211 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 891.27 | USD | 20251211 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 715.13 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 715.13 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 700.28 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 700.28 | USD | 20251211 |