| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 860.67 | USD | 20251121 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1072.31 | USD | 20251121 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 987.65 | USD | 20251121 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1015.44 | USD | 20251120 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 846.2 | USD | 20251120 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 860.31 | USD | 20251120 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 959.03 | USD | 20251120 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 860.31 | USD | 20251120 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 846.2 | USD | 20251120 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 959.03 | USD | 20251120 |