| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1008.21 | USD | 20251023 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 860.15 | USD | 20251023 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1050.51 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1043.46 | USD | 20251023 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 831.95 | USD | 20251023 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 860.15 | USD | 20251023 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1015.26 | USD | 20251023 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |