| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 883.97 | USD | 20251021 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1297.05 | USD | 20251021 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1339.35 | USD | 20251021 |