| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 768.49 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1064.61 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.06 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Derun Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |