| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 887.9 | USD | 20251022 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 887.9 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 883.67 | USD | 20251022 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 883.67 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 890.72 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 890.72 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 883.67 | USD | 20251022 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 883.67 | USD | 20251022 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 883.67 | USD | 20251022 |