About Us-Xiamen Haoyue Door & Window Co., Ltd.

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10+ YEARS EXPERIENCE

Full customization. OEM/ODM services

Quality Control

100% Incoming Raw Material Inspection
100% Incoming Raw Material Inspection
100% Incoming Raw Material Inspection

Verify supplier qualifications and test reports for aluminum alloy profiles, PVC profiles, glass, hardware and other raw materials. Conduct batch sampling inspections on wall thickness, hardness, weather resistance, explosion-proof grade, rust resistance and other indicators. Materials are warehoused only when up to standard, preventing unqualified materials from entering production.

In-Process Quality Control
In-Process Quality Control
In-Process Quality Control

Set three key quality control nodes: check dimensional accuracy and cut flatness after cutting; verify splicing gaps, seal strip fit and hardware firmness during assembly; test coating adhesion, color uniformity and surface integrity after spraying/laminating. Inspected and signed by dedicated staff, unqualified products are reworked immediately to ensure traceable quality.

Final Pre-Delivery Inspection of Finished Products
Final Pre-Delivery Inspection of Finished Products
Final Pre-Delivery Inspection of Finished Products

Conduct comprehensive inspections on finished products after assembly: check overall dimensions, opening/closing smoothness, sealing performance (water/air/sound tightness), hardware durability and packaging protection. All items must comply with national standards and custom requirements; delivery is arranged only after issuing a qualification certificate.

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