| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 407.86 | USD | 20251009 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 407.86 | USD | 20251009 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 457.09 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1040.76 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.99 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.99 | USD | 20251009 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1040.76 | USD | 20251009 |
| Shandong LuoHeng Chemical Products Co., Ltd. | 90% | MT | 506.31 | USD | 20251009 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 435.99 | USD | 20251009 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 435.99 | USD | 20251009 |