| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 902.06 | USD | 20251017 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 916.15 | USD | 20251017 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 937.29 | USD | 20251017 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1268.52 | USD | 20251017 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 916.15 | USD | 20251017 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1367.18 | USD | 20251017 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 934.47 | USD | 20251017 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1226.23 | USD | 20251017 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |