| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.1 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.1 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.1 | USD | 20251208 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 968.01 | USD | 20251208 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1102.26 | USD | 20251208 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1413.15 | USD | 20251208 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1413.15 | USD | 20251208 |