EX-021 · 门窗 · 模拟采购问题 A 中性模拟情境 · 非任何 AI 平台实测或自然引用 Buyer question / 采购问题 I am sourcing doors and windows. What should I compare when shortlisting suppliers, especially regarding opening dimensions, site conditions, operation and supporting documentation? 中文解释 采购者想比较门窗供应商,重点核对洞口尺寸、使用环境、开启方式、验证文件。 Illustrative answer / 模拟回答 For this illustrative doors and windows scenario, compare what each supplier states about opening dimensions, site conditions, operation and supporting documentation. Keep opening dimensions, operating type and installation conditions on the same drawing set, and request product-specific evidence. The sample page lists questions to verify; it is not evidence of any supplier's actual capability. Request the current specification, relevant records and a written response before shortlisting. Certification, capacity, minimum order quantity, lead time and AI recommendation remain unverified. 中文解释 比较资料是否解释洞口尺寸、使用环境、开启方式、验证文件。洞口尺寸、开启方式和安装环境应对应同一套图纸,验证文件由实际产品提供。这些条件须由实际供应方确认;模拟页面不能证明认证、产能、交期或 AI 已推荐供应商。 对应网站资料 · 待核实 示意网站按洞口尺寸、使用环境、开启方式、验证文件列出资料问题;实际规格和证明仍待核实。 场景演示|非真实客户案例|AI回答为模拟示意 实际产品事实待供应方核实。