| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 925.22 | USD | 20251202 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 762.78 | USD | 20251202 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1101.79 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1031.16 | USD | 20251202 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 776.9 | USD | 20251202 |
| Liaocheng Jinxinda New Material Co., Ltd. | China national standards | MT | 783.96 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 755.71 | USD | 20251202 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 946.88 | USD | 20251201 |