| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1073.54 | USD | 20251202 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 988.78 | USD | 20251202 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 974.66 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1251.52 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1052.35 | USD | 20251202 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 762.78 | USD | 20251202 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 896.97 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1073.54 | USD | 20251202 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1045.29 | USD | 20251202 |