| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1074.16 | USD | 20251210 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 808.45 | USD | 20251210 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 961.09 | USD | 20251210 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 808.45 | USD | 20251210 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 808.45 | USD | 20251210 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1060.03 | USD | 20251210 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 808.45 | USD | 20251210 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 975.22 | USD | 20251210 |