| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1259.09 | USD | 20251211 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 976.15 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1068.1 | USD | 20251211 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 1081.23 | USD | 20251210 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1257.9 | USD | 20251210 |