| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.35 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.35 | USD | 20251128 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1017.11 | USD | 20251128 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251128 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 741.75 | USD | 20251127 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1073.76 | USD | 20251127 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 974.87 | USD | 20251127 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1017.25 | USD | 20251127 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 805.32 | USD | 20251127 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1102.02 | USD | 20251127 |