| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1101.79 | USD | 20251202 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1017.04 | USD | 20251202 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 946.41 | USD | 20251202 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1031.16 | USD | 20251202 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 904.03 | USD | 20251202 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 988.78 | USD | 20251202 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1024.1 | USD | 20251202 |