| Vendor | Spec | Unit | Price | Currency | Date |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 888.22 | USD | 20251024 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251024 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 817.73 | USD | 20251024 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 704.94 | USD | 20251024 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.62 | USD | 20251024 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 747.24 | USD | 20251024 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 775.43 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 761.34 | USD | 20251024 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.62 | USD | 20251024 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251024 |