Door Hinge Manufacturer & Exporter

Premium Door Hinges Manufactured in China – Reliable, Certified & Cost-Effective Zhongshan Guzhen Huaerhong Hardware Company supplies precision-engineered door hinges -certified production lines, serving over 45 countries since 2012. We offer FOB pricing from $0.85/unit (MOQ 1000 pcs), 12–16 weeks lead time, and full CE/RoHS compliance for EU/UK markets. All products pass salt spray testing (72+ hours) and are available in stainless steel, zinc alloy, and brass—ideal for residential, commercial, and industrial doors. ## Door Hinge Specifications by Type, Material & Application Our hinge range covers standard heavy-duty applications across multiple markets: - Standard Butt Hinges: 3-inch, 4-inch, 5-inch - Heavy-Duty Hinges: 6-inch, designed for industrial doors (up load capacity)

• Materials: - Stainless Steel 304: Corrosion resistance (≥24 hrs salt spray test), ideal for humid climates - Zinc Alloy (ZAMAK 5): Die-cast precision, wall thickness, 250 Nm torque resistance - Brass (C36000): High wear tolerance, used in luxury furniture and entry doors
• Finishes: - Chrome-plated (minimum 5 µm thickness) - Matte black (PVD coating, 100+ cycles scratch resistance) - Oil finish (for unpainted, corrosion-resistant models)
• Hinge Types: - Full-overlay, inset, surface-mount, continuous (concealed) hinges - or without adjustable pins (±3° vertical alignment) ## Key Technical Comparison Table: Model Variants & Compliance Levels | Feature | Standard Zinc Alloy (ZAMAK 5) | Stainless Steel 304 | Brass (C36000) |

• USA/Canada: UL 1784 (if part a fire-rated door assembly), FCC compliance for electromagnetic compatibility
• Australia/NZ: AS/NZS 4970:2019 for architectural hardware
• India: certification (optional but recommended for government tenders)
• Middle East: SABIC conformity (Saudi Arabia), GCC certification (UAE, Qatar) All product batches include traceable material certificates (material composition, tensile strength) and pass independent lab testing via SGS, TÜV, or Intertek before shipment. ## Procurement Terms: MOQ, Lead Time & Payment We support scalable procurement transparent terms: - Incoterms: FOB Zhongshan Port (CIF available upon request)
• MOQ: 1000 pieces model (custom colors/packaging: 1000 pcs minimum)
• Lead Time: 12 weeks from PO confirmation (production begins within 7 days)
• Payment Terms: deposit via T/T, before shipment; LC sight also accepted
• Packaging: 1000 pcs polybag, 1000 pcs master carton (net weight carton)
• Shipping: Full container loads (FCL) or LCL shipments; export documentation included (COO, invoice, packing list) For urgent orders, we offer expedited production (8-week cycle) + premium. ## Why Choose Zhongshan Guzhen Huaerhong Hardware? Unlike general wholesalers, we operate vertically integrated manufacturing : - In-house die-casting & machining: 3,200 tons press capacity, 45 CNC machines (precision ±)
• Quality Control: 4-stage inspection (raw material → casting → machining → final packaging)
• R&D Support: 6 engineers on staff; 28 new designs launched annually
• Export Experience: 482 successful shipments Germany, USA, Brazil, UAE, and Australia
• Certifications, IATF 16949 (automotive-grade components)
• Digital Tools: Real-time order tracking portal (status updates every 24 hours) We maintain 15,000+ SKUs in stock and support small-to-medium volume buyers flexible replenishment cycles (quarterly/bi-annual orders). ## FAQ ### What is your minimum order quantity (MOQ) for door hinges? The standard MOQ is 1000 pieces model. For custom colors or packaging, the MOQ increases 1000 pieces. We accommodate smaller trial orders through our R&D pilot program a surcharge. ### How long is the production lead time? Standard lead time is 12 weeks from PO confirmation. Expedited production (8 weeks) is available for urgent orders a premium. Production begins within 7 working days after deposit receipt. ### Do you provide CE and RoHS certifications? Yes, all door hinges are CE-marked and comply RoHS 2011/65/EU. Certificates are provided each shipment and are valid for 5 years. Third-party test reports from SGS or TÜV can be shared upon request