Guangdong Dejiyoupin Doors and Windows Co., Ltd. headquarters and manufacturing base

About Us

Enterprise Overview

World-Class Custom Architectural Door Engineering

Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) is an internationally acknowledged manufacturer delivering custom entry doors, oversized pivot systems, and high-performance architectural solutions worldwide.

Headquartered in Shishan Town, Nanhai District, Foshan City — China's aluminium capital — DERCHI operates an integrated industrial chain covering scientific R&D, precision extrusion processing, automated surface finishing, high-tolerance CNC fabrication, and strict quality verification. Recognised as a high-tech manufacturing enterprise and a "China Famous Brand", we provide overseas contractors, architects, and volume distributors with factory-direct accountability, stringent AS 2047 standard compliance, and turnkey fabrication tailored to demanding climatic zones.

Whether supplying cyclone-resistant entry pivots for Australia and New Zealand, heavy-duty architectural glass doors for commercial resorts, or security cast aluminium gates for luxury estates, DERCHI bridges international standards with industrial efficiency.

180,000m² Intelligent Production Base
1,000,000m² Annual Output Capacity
30+ Dedicated R&D Engineers
600+ Trained Industry Staff
Engineered For Reliability

Why Overseas Project Buyers Partner With DERCHI

Export-focused engineering, zero-compromise quality assurance, and end-to-end bespoke fabrication designed for international specifiers.

Massive Production Capacity

Our 180,000 m² smart production base is equipped with intelligent automated scheduling, ensuring consistent bulk order cycles, strict milestone management, and zero project delays.

Innovation-Driven Engineering

Supported by 30+ in-house structural engineers and 30+ proprietary patents, we innovate multi-point air-water sealing, thermal barrier breaks, and anti-warping pivot systems.

Accredited Global Standards

Systems rigorously certified and independently tested to Australian Standard AS 2047 (N6 wind rating), CE, ISO 9001, and UL fire standards to ensure immediate compliance approval.

Flexible Bespoke Customization

From oversized entrance pivot doors measuring up to 6 metres to tailored marine-grade fluorocarbon finishes and insulated safety glazing, we execute complex architectural drawings accurately.

Multi-Stage Quality Verification

Our comprehensive 168-step production process integrates 38 mandatory quality checkpoint inspections, ensuring zero structural faults, uniform coating thickness, and flawless operation.

Dedicated Overseas Project Service

English-speaking technical sales engineers operate aligned with Australian Eastern and Western Standard business hours, supplying complimentary CAD shop drawings, calculation sheets, and export logistics.

Advanced Manufacturing

Production Lines & Precision Equipment

State-of-the-art German automated strip insertion machinery, automated CNC profile machining centers, and comprehensive physical testing facilities under one roof.

Window and door physical performance experimentation testing center

Testing Center

Independent physical performance laboratory verifying air permeability, water tightness, structural wind deflection, and acoustic decibel attenuation.

168 production steps and 38 quality check inspections

Quality Control

168 standardized fabrication procedures coupled with 38 multi-point quality inspections spanning alloy batch assays to hardware endurance testing.

Automated CNC fabrication lines for door profiles

Automated Lines

Equipped with 8 internationally advanced digital production lines, 6 automated glass lines, and 5 intelligent vertical staging warehouses.

German automated thermal strip insertion machinery

Strip Insertion

German-engineered automated thermal break strip insertion machines guarantee micron-grade alignment, air barrier integrity, and mechanical strength.

Professional Power

Collaborative Engineering Across Every Discipline

Over 600 dedicated specialists bring cohesion and technical expertise to deliver projects that exceed expectations.

From initial schematic consultation and structural stress calculations to CNC programming, powder-coating, and export packaging, the DERCHI team acts as your overseas factory division. Our dedicated team of door and window specialists maintains rigorous engineering discipline, continuous quality control, and dependable project communication.

600+ Staff

Cohesive team of engineers, technicians, and craftspeople serving commercial clients.

Full Chain Strength

Seamless execution spanning architectural design, structural R&D, and delivery.

Quality Discipline

Deeply cultivating craft precision to set benchmarks in the global door industry.

Global Benchmark

Serving over 100 countries and delivering excellence to 100,000+ completed projects.

DERCHI management, technical engineering and manufacturing team
Global Footprint

Trusted Worldwide Across 100+ Countries

With over 700 exclusive brand stores throughout domestic centers and an export footprint spanning Australia, New Zealand, North America, Southeast Asia, and the Pacific Islands, DERCHI has supplied architectural doors to more than 100,000 high-profile projects.

International project partner brand
Hardware partner brand
Architectural system partner
Global component partner
Glass and accessories supplier
Finishing coating partner
Sealing technology partner
Smart security partner

Ready to Specify or Quote Your Custom Entry Doors?

Contact Guangdong Dejiyoupin Doors and Windows Co., Ltd. for comprehensive project assessments, structural calculations, and CAD shop drawings.

Send an Inquiry