| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251129 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.65 | USD | 20251129 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251129 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 706.32 | USD | 20251129 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.47 | USD | 20251129 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.47 | USD | 20251129 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.21 | USD | 20251129 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.65 | USD | 20251128 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 727.51 | USD | 20251128 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 727.51 | USD | 20251128 |