| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1354.4 | USD | 20251031 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 888.83 | USD | 20251031 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1156.88 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.16 | USD | 20251031 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1100.45 | USD | 20251031 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 881.77 | USD | 20251031 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 884.59 | USD | 20251031 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.99 | USD | 20251031 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1326.19 | USD | 20251031 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 991.82 | USD | 20251031 |