| Vendor | Spec | Unit | Price | Currency | Date |
| 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 Langcheng Chemical Co., Ltd. | China national standards | MT | 1067.09 | USD | 20251210 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 975.22 | USD | 20251210 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1017.62 | USD | 20251210 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 727.88 | USD | 20251210 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 819.75 | USD | 20251210 |