| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Wanhua PETROCHEMICAL(Yantai) Co., Ltd. | China national standards | MT | 787.31 | USD | 20250919 |
| Satellite Chemical Co., Ltd. | China national standards | MT | 787.31 | 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 |
| 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 |