| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251129 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251129 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |