| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1338.12 | USD | 20251015 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1408.55 | USD | 20251015 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 908.51 | USD | 20251015 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 908.51 | USD | 20251015 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 908.51 | USD | 20251015 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 915.56 | USD | 20251015 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1014.16 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1267.69 | USD | 20251015 |