| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 832.67 | USD | 20251118 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 797.39 | USD | 20251118 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 776.22 | USD | 20251118 |