| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 734.95 | USD | 20251210 |
| Derun Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 840.95 | USD | 20251210 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.95 | USD | 20251210 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1116.56 | USD | 20251210 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.95 | USD | 20251210 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.95 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 787.25 | USD | 20251210 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.95 | USD | 20251210 |