| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1257.7 | USD | 20251208 |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 1116.39 | USD | 20251208 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1201.18 | USD | 20251208 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1095.19 | USD | 20251208 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1208.24 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1102.26 | USD | 20251208 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1257.7 | USD | 20251208 |
| Shandong Jinling Group Co., Ltd. | China national standards | MT | 1073.99 | USD | 20251208 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1102.26 | USD | 20251208 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1189.87 | USD | 20251208 |