| 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 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 932.35 | USD | 20251128 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 840.53 | USD | 20251128 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 727.51 | USD | 20251128 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 875.84 | USD | 20251128 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 875.84 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 734.58 | USD | 20251128 |
| 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 |