| Vendor | Spec | Unit | Price | Currency | Date | 
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 | 
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 | 
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 885.73 | USD | 20250919 | 
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 878.7 | USD | 20250919 | 
| Wanhua PETROCHEMICAL(Yantai) Co., Ltd. | China national standards | MT | 892.76 | USD | 20250919 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 | 
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 879.23 | USD | 20250918 | 
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 886.26 | USD | 20250918 | 
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 815.92 | USD | 20250918 | 
| Satellite Chemical Co., Ltd. | China national standards | MT | 787.79 | USD | 20250918 |