采购知识中心
技术指导
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为开发商、承包商、幕墙合作伙伴和经销商评审工程门窗提供实用资料。
采购优先内容
从采购方的问题开始。
How to Review a Window Schedule and BOQ Before Requesting a Quote
Align window types, quantities, glass, hardware, finishes and interfaces before supplier pricing.
阅读指南 ↗02 · Quality controlA Window Factory Quality-Control Checklist Buyers Can Actually Use
A practical audit route from incoming profiles to final packing, written for project buyers comparing factory evidence.
阅读指南 ↗03 · Specification guideAn Aluminum Window Specification Checklist for International Projects
A buyer-focused checklist for turning an architectural window schedule into a reviewable aluminum-window package.
阅读指南 ↗04 · Supplier evaluationHow to Evaluate an Aluminum Window Manufacturer in China
A practical factory-evaluation method for buyers who need more than a polished catalogue and a fast quotation.
阅读指南 ↗05 · Technical guideThermal Break Aluminum Windows: What Project Buyers Actually Need to Check
A plain-language guide to thermal breaks, whole-window values, glass and the evidence behind a performance claim.
阅读指南 ↗06 · Product comparisonAluminum vs uPVC Windows: A Project Procurement Comparison
Compare aluminum and uPVC by opening size, repetition, climate, finish, interfaces and delivery—not generic material claims.
阅读指南 ↗07 · Supplier checklist17 Questions to Ask a Window and Door Supplier Before Ordering
A project buyer’s pre-order checklist covering drawings, scope, evidence, samples, quality control, packing and change management.
阅读指南 ↗08 · Design comparisonSliding vs Casement Windows: Choose by Exposure, Use and Maintenance
A project-level comparison of sliding and casement windows across ventilation, sealing, safety, cleaning, hardware and façade constraints.
阅读指南 ↗09 · Installation guideWindow and Door Installation Checklist: From Opening Review to Final Adjustment
A practical installation route covering delivery checks, opening preparation, fixing, perimeter sealing, drainage, hardware adjustment and protection.
阅读指南 ↗010 · Commercial reviewHow to Compare Window Supplier Quotations Without Missing Scope
Turn unlike-for-like window quotations into a controlled comparison of quantities, systems, evidence, exclusions and landed scope.
阅读指南 ↗