| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1408.03 | USD | 20251014 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1196.83 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 788.5 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 788.5 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 788.5 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 788.5 | USD | 20251014 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1027.86 | USD | 20251014 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 901.14 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 788.5 | USD | 20251014 |