| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 788.65 | USD | 20251013 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 802.74 | USD | 20251013 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.74 | USD | 20251013 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.74 | USD | 20251013 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.03 | USD | 20251013 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 746.41 | USD | 20251013 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 746.41 | USD | 20251013 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 704.16 | USD | 20251013 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.03 | USD | 20251013 |