Complete In-House Membrane Switch Manufacturing
Dongguan Cevra Electronic Technology Co., Ltd. delivers vertically integrated production from CAD tooling design and graphic overlay screen printing to automated metal dome placement and 100% electrical verification.
Precision Tooling & Processing
Our facility is equipped with automated CCD hole punching, high-speed laser cutting, and precision die-cutting equipment ensuring tight alignment tolerances across complex multilayer assemblies.
Class-Leading Clean Environment
Dust-controlled workshops and clean printing environments ensure flawless graphic overlay ink deposition, zero bubble laminations, and defect-free optical display windows for medical and industrial applications.
Full In-House Reliability Testing
Our internal laboratory subjects switch prototypes and production batches to dome tactile load tests, thermal shock, holding tack adhesion, and pencil hardness verification before shipment.
Workshops & Production Machineries
Advanced equipment supporting rapid prototyping, flexible small-batch runs, and scalable OEM mass production.
Facility Modern Factory Plant
2,600㎡ purpose-built facility in Dongguan designed for seamless workflow between engineering, production, and testing.
Production Floor Main Manufacturing Floor
Organized production layout housing semi-automated and fully automated assembly stations for multi-layer switches.
Clean Workshop Dust-Controlled Cleanroom
Cleanroom standards for screen printing conductive silver inks, graphic overlay films, and adhesive spacer bonding.
Warehouse Material Storage & Traceability
Climate-controlled warehouse for premium PET/PC films, 3M adhesives, and conductive inks with complete lot tracking.
Printing Precision Silk Screen Printing
High-resolution graphic overlay printing with precise color matching according to Pantone/RAL industrial standards.
Printing Line Automated Printing Line
Continuous tunnel drying and curing line for stable conductive traces, carbon resistors, and dielectric coatings.
Punching Precision Die Punching
High-tonnage punching machinery for precise key embossing, outer profiles, adhesive vents, and tail cut-outs.
Punching Machine Automated Punching Equipment
Ensures consistent actuation tactile feel and burr-free edges on PET, polycarbonate, and circuit substrates.
Laser Cutting High-Accuracy Laser Cutting
Tooling-free rapid prototyping and precision cutting for complex contours, light guides, and custom spacer geometries.
Laser Machine Industrial Laser Cutting Machine
High-speed non-contact laser beam processing providing clean optical edges without mechanical deformation.
CCD Drilling CCD Vision Alignment Drilling
Camera-guided target drilling guaranteeing pitch precision and layer registration under ±0.05mm tolerances.
Lamination Fully Automatic Laminating
Uniform pressure application prevents trapped air bubbles and ensures IP65/IP67 rated waterproof adhesive seals.
Laminating Line Multi-Layer Bonding System
Precision multi-stage laminating for membrane switches, silicone rubber pads, and metal support backplates.
Assembly Automatic Assembly Station
High-efficiency assembly line incorporating LED placement, dome array positioning, and connector crimping.
Assembly Machine Automatic Metal Dome Placer
Automated pick-and-place dome array assembly ensuring consistent tactile feedback and eliminating human placement errors.
Packaging ESD-Safe Export Packaging
Cleanroom packaging in anti-static bags, bubble wrap protection, and reinforced cartons ensuring safe overseas delivery.
Laboratory Testing & Inspection Equipment
Every membrane switch batch undergoes rigorous structural, electrical, and environmental tests to meet international standards.
Inspection CCD Optical Inspection
High-magnification vision cameras verify printed circuit trace continuity, line width, spacing, and micro-defect detection.
Inspection Final Quality Verification
100% cosmetic visual inspection verifying graphic overlay registration, color fidelity, and clean display windows.
Measuring Optical Measuring Instrument
High-accuracy dimensional metrology system measuring key pitches, connector pin positions, and overall panel tolerances.
Testing Functional Testing Station
Integrated testing fixtures checking closed-circuit loop resistance, contact bounce time, and insulation impedance.
Testing Electrical Test Matrix
Automated multi-pin matrix testing verifies short-circuit prevention and stable contact resistance across every switch key.
Lab Equipment Tactile Dome Load Tester
Measures peak actuation force, click ratio, return force, and travel distance to ensure uniform keypad click tactile feel.
Lab Equipment Thermal Environmental Chamber
Evaluates membrane keypad reliability across extreme temperature ranges (-40°C to +85°C) and constant humidity conditions.
Lab Equipment Tension & Peel Strength Tester
Tests adhesive bond strength between graphic overlays, spacer layers, and metal backing plates to avoid delamination.
Lab Equipment Adhesive Holding Tack Tester
Evaluates long-term static shear holding performance of 3M and Nitto adhesive backings under sustained physical loads.
Lab Equipment Pencil Hardness Scratch Tester
Validates surface anti-scratch ratings (up to 2H/3H) for matte, glossy, and textured graphic overlay protective films.
R&D Team DFM Design & Engineering
Senior mechanical and electronics engineers assist overseas clients with rapid DFM checks, layer stack-up, and circuit design.
CAD Center CAD Workstation & Layout
Direct conversion of customer DXF, DWG, AI, and STEP files into precision tooling, film masters, and laser paths.
Partner with an Audited Membrane Switch Manufacturer
Dongguan Cevra Electronic Technology Co., Ltd. welcomes OEM/ODM inquiries from worldwide clients. Benefit from our verified factory capabilities, flexible MOQs, and dedicated engineering team.