| Vendor | Spec | Unit | Price | Currency | Date |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 763.43 | USD | 20251204 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.43 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.43 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.43 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.43 | USD | 20251204 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 918.95 | USD | 20251204 |