Our windows and doors series covers full-spec building door and window products for villas, apartments, commercial buildings and engineering projects, featuring sound insulation, heat insulation, waterproofing and anti-corrosion performance. Cooperative factories are mainly concentrated in Guangdong Foshan, Shandong Jinan and Zhejiang Hangzhou, China’s core aluminum profile and door and window manufacturing clusters. All manufacturers have mature extrusion, cutting and installation processing lines, supporting OEM, ODM and personalized engineering customization. As a professional procurement service provider, we conduct factory screening, pre-shipment quality testing, unified container consolidation, flexible mixed batch ordering and full export document agency services, helping overseas buyers stably source cost-effective door and window building materials.