| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1074.16 | USD | 20251210 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1003.49 | USD | 20251210 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1052.96 | USD | 20251210 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 808.45 | USD | 20251210 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 808.45 | USD | 20251210 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 763.22 | USD | 20251210 |
| China national standards | MT | 959.68 | USD | 20251210 | |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 808.45 | USD | 20251210 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 808.45 | USD | 20251210 |