| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1169.54 | USD | 20251016 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1183.63 | USD | 20251016 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1268.18 | USD | 20251016 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 972.27 | USD | 20251016 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1352.72 | USD | 20251016 |
| Changzhou Dohow Chemical Co., Ltd. | China national standards | MT | 958.18 | USD | 20251016 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1042.72 | USD | 20251016 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1106.13 | USD | 20251016 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1000.45 | USD | 20251016 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 901.81 | USD | 20251016 |