Our factory operates in accordance with ISO 9001 quality management standards, which are applied as guidelines throughout our daily manufacturing processes for industrial doors and loading dock equipment. From raw material inspection to semi-finished product checks, and from key component testing to final product inspection, every stage follows standardized procedures to ensure consistent quality and reliable performance. Critical components including steel structures, motors, control systems, and hydraulic units are carefully inspected and tested. Through a systematic quality control process, we ensure each product delivers stable operation, safety, and long-term reliability in real industrial applications.
Only verified suppliers are selected for steel, motors, hydraulic systems, and control components, ensuring stable and compliant raw materials from the source.
2
Incoming Material Inspection
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3
Standardized In-Process Quality Control
Each production stage follows standardized QC procedures, including welding, assembly, surface treatment, and functional checks.
4
Final Inspection & Performance Testing
Finished products are fully inspected and tested for operation, safety, and durability before packing and shipment.
Everbesten 4-Step Quality Management System
1
Approved Suppliers & Materials
2
Incoming Quality Inspection
3
In-Process Quality Control
4
Final Testing & Inspection
Key Quality Indicators
For Sectional Doors, High Speed Doors & Dock Levelers
Material & Component Quality
Steel and aluminum thickness verification
Motor and drive system inspection
Hydraulic components performance check
Fasteners and accessories quality review
Surface Treatment & Protection
Surface cleaning and pretreatment inspection
Coating thickness and adhesion control
Finish quality and appearance check
Corrosion resistance verification
Dimensional Accuracy
Platform and door panel dimension checks
Track and guide alignment control
Installation tolerance verification
Assembly fit and clearance inspection
Operating & Load Performance
Opening and closing operation test
Lifting speed and smoothness check
Load performance and stress testing
Noise and vibration observation
Structural & Welding Integrity
Welding strength and joint inspection
Structural load-bearing verification
Frame and reinforcement stability check
Deformation and stress point control
Safety & Final Inspection
Safety device and limit switch testing
Emergency stop and protection verification
Final functional inspection before packing
Packing integrity and shipment check
Quality Control System
For Sectional Door · High Speed Door · Dock Leveler
Approved Materials & Key Components
Certified steel, motors, hydraulic units and control systems
Strict supplier approval and material traceability
All key components meet international industrial standards
Incoming Inspection & Pre-Production Check
Dimensional inspection before production
Performance check for motors, cylinders, and
control units
Defective materials rejected before entering production
In-Process Quality Control
Standardized QC at each production stage Welding, assembly, and surface treatment inspection Real-time quality monitoring during manufacturing
Functional & Safety Testing
Certified steel, motors, hydraulic units and control systems
Strict supplier approval and material traceability
All key components meet international industrial standards
Final Inspection, Packing & Shipment Control
Approved Materials & Key Components
· Certified steel, motors, hydraulic units and control systems
· Strict supplier approval and material traceability
· All key components meet international industrial standards
Incoming Inspection & Pre-Production Check
· Dimensional inspection before production·Dimensional inspection before production
· Performance check for motors, cylinders, and control units
· Defective materials rejected before entering production
In-Process Quality Control
· Standardized QC at each production stage
· Welding, assembly, and surface treatment inspection
· Real-time quality monitoring during manufacturing
Functional & Safety Testing
· Full operation testing before shipment
· Load capacity and balance testing for dock levelers
· Safety devices and limit switches verification
Final Inspection, Packing & Shipment Control
· Final appearance and performance inspection
· Protective packing for international shipment
· Quality approved before delivery
