| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 755.77 | USD | 20251128 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.51 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.59 | USD | 20251128 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 776.96 | USD | 20251128 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.51 | USD | 20251128 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251128 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.45 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.59 | USD | 20251128 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 854.65 | USD | 20251128 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.97 | USD | 20251128 |