| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 874.88 | USD | 20251103 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1227.65 | USD | 20251103 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1044.21 | USD | 20251103 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 931.32 | USD | 20251103 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 931.32 | USD | 20251103 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.77 | USD | 20251103 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.77 | USD | 20251103 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.34 | USD | 20251103 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.76 | USD | 20251103 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.76 | USD | 20251103 |