| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 925.26 | USD | 20251013 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1013.98 | USD | 20251013 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1337.9 | USD | 20251013 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1243.54 | USD | 20251013 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1351.98 | USD | 20251013 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 999.9 | USD | 20251013 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1246.36 | USD | 20251013 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1225.23 | USD | 20251013 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 999.9 | USD | 20251013 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |