| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 958.18 | USD | 20251016 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1028.63 | USD | 20251016 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1240.0 | USD | 20251016 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1014.54 | USD | 20251016 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1077.95 | USD | 20251016 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 972.27 | USD | 20251016 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1000.45 | USD | 20251016 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1007.5 | USD | 20251016 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 972.27 | USD | 20251016 |