| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1225.23 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 971.74 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 971.74 | USD | 20251013 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1168.9 | USD | 20251013 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1190.02 | USD | 20251013 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 915.4 | USD | 20251013 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.4 | USD | 20251013 |
| Zhangjiagang Free Trade Zone Zhaohe Trade Co., Ltd. | China national standards | MT | 954.84 | USD | 20251013 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1246.36 | USD | 20251013 |