| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 815.68 | USD | 20250922 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 787.56 | USD | 20250922 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 878.97 | USD | 20250922 |
| Satellite Chemical Co., Ltd. | China national standards | MT | 787.56 | USD | 20250922 |
| Wanhua PETROCHEMICAL(Yantai) Co., Ltd. | China national standards | MT | 787.56 | USD | 20250922 |
| Wanhua PETROCHEMICAL(Yantai) Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1054.76 | USD | 20250922 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1139.14 | USD | 20250922 |