ISO 9001:2015 & SGS Onsite Verified Engineering

CE Certified Custom Keypad Exporter & Exporters in the San Salvador Market

Delivering High-Precision Human-Machine Interfaces, Hermetically Sealed Membrane Switches, and SUS301 Metal Dome Arrays for Industrial, Medical, and Automotive Controls Across El Salvador

16+
Years Engineering Expertise
2,600㎡
In-House Manufacturing Facility
1,000,000+
Actuation Cycle Life Tested
100%
CE & RoHS Electrical Compliance

Featured Custom Keypads & Tactile Switch Assemblies

Engineered for extreme reliability, tactile responsiveness, and environmental resistance. Discover our verified product lines exported directly to San Salvador's growing manufacturing, processing, and assembly sectors.

Single Layer SUS301 Stainless Steel Metal Dome Array

Single Layer SUS301 Stainless Steel Metal Dome Array for Earphone Mobile Phone Keypad Remote Control Switch

  • Material: SUS301 Stainless Steel
  • Trip Force: 160g – 350g Custom
  • Life Expectancy: >1,000,000 Clicks
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Customized White PET Waterproof Single Layer SUS301

Customized White PET Waterproof Single Layer SUS301 Stainless Steel Dome Array Remote Control Metal Dome Array

  • Carrier: White Hydrophobic PET
  • Sealing Level: IP65 Moisture Barrier
  • Application: Industrial Handhelds
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Free Sample Metal Dome Array Single Layer Pet With Adhesive

Free Sample Metal Dome Array Single Layer Pet With Adhesive

  • Adhesive: 3M 467MP / 3M 468MP
  • Contact Resistance: <0.1 Ω / Switch
  • Sample Policy: Rapid Prototyping Ready
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Electronic Toy Film Circuit Membrane Switch Waterproof

Electronic Toy Film Circuit Membrane Switch Waterproof Button Membrane Switch

  • Circuit: Conductive Silver Ink
  • Protection: UV Cured Carbon Layer
  • Cost Profile: Optimized for Mass Volume
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High Quality Single Button Small Membrane Switch

High Quality Single Button Small Membrane Switch

  • Footprint: Ultra-Compact Miniature
  • Actuation: Tactile Snap Dome
  • Mounting: Pressure Sensitive Adhesive
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Factory Direct Graphic Overlay Custom Membrane Keyboard

Factory Direct Graphic Overlay Custom Membrane Keyboard Switch Membrane Switch

  • Overlay: Autotex Hardcoated PET
  • Embossing: Pillow / Rim Tactile Ring
  • Tolerance: ±0.05mm CCD Die-Cut
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Manufacturer Custom Membrane Keypads Membrane Keyboard and Led

Manufacturer Custom Membrane Keypads Membrane Keyboard and Led Membrane Graphic Overlay

  • Illumination: Surface Mount Micro-LEDs
  • Connectors: 2.54mm / 1.0mm Pitch ZIF
  • Shielding: ESD / RFI Aluminum Foil
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High Quality Customized Logo Stainless Steel Aluminum Metal Crafts

High Quality Customized Logo Stainless Steel Aluminum Metal Crafts Nameplate Round Number Model with Artistic Laser Engraving

  • Substrate: Anodized Aluminum / SUS
  • Marking: High Precision Fiber Laser
  • Chemical Res: Solvent & Abrasion Proof
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Strategic Engineering Guide: Human-Machine Interfaces in San Salvador's Expanding Industrial Sectors

As El Salvador accelerates its economic modernization through the revitalized industrial corridors of San Salvador, Soyapango, Ilopango, and the Free Zones of American Park and El Pedregal, engineering requirements for industrial input interfaces have become significantly more stringent.

The San Salvador metropolitan area acts as the primary nerve center for Central America's light manufacturing, pharmaceutical compounding, food packaging, and specialized electronics assembly. When procurement teams and systems integrators in San Salvador search for a CE Certified Custom Keypad Exporter, their decision parameters extend far beyond unit price. They require custom input interfaces capable of withstanding the tropical humidity of the Pacific volcanic belt, high ambient temperatures, aggressive chemical washdowns used in medical processing, and persistent mechanical cycles across high-throughput production lines.
Dongguan Cevra Electronic Technology Co., Ltd. supplies high-spec human-machine interface (HMI) keypads, stainless steel dome arrays, and graphic overlay assemblies directly configured to CE and RoHS standards. Our engineering team bridges the gap between original equipment manufacturers (OEMs) and local contract manufacturers in El Salvador, providing turnkey manufacturing from drawing generation (AutoCAD, SolidWorks, Pro/E) and substrate selection through to surface mounting, fully automatic lamination, and 100% electrical inspection.

Localized Application Scenarios in San Salvador & Central America

Custom keypads and membrane panels operate under demanding environmental and chemical stress across major Salvadoran economic hubs. Here is how our engineering architectures address specific localized industrial demands:

Pharmaceutical & Medical Devices

San Salvador is headquarters to notable Central American pharmaceutical laboratories and cleanroom operations. Membrane keypads for diagnostic centrifuges, infusion pumps, and cleanroom controllers require flat, continuous Autotex or XE-type polyester films that resist daily sanitation with isopropyl alcohol (IPA), hydrogen peroxide, and bleach solutions. By integrating hermetically sealed perimeter gaskets and sub-surface reverse screen-printing, our keypads prevent chemical ingress and ink degradation permanently.

Food & Beverage Processing

The food, confectionery, and coffee milling processing plants situated along the San Salvador-Santa Ana industrial axis rely on machinery subjected to high-pressure washdowns and steam. Our IP67-rated waterproof membrane switches leverage high-shear 3M acrylic adhesive systems (such as 3M 200MP and 300LSE) along with vented breather paths terminating in humidity-controlled enclosures, eliminating switch swelling, trace oxidization, and premature contact failure.

Logistics, Energy & Telecom Systems

With San Salvador expanding its distributed solar installations, commercial telecom switching stations, and freight management terminals near Acajutla and Comalapa, electronic components must sustain continuous outdoor solar exposure. We configure UV-stabilized polycarbonate and PET overlays paired with nickel- or gold-plated SUS301 stainless steel domes. These assemblies ensure crisp tactile feedback and unyielding actuation stability over millions of user cycles, even under intensive ambient UV radiation.

Material Engineering Comparison Matrix for Salvadoran Buyers

Selecting the appropriate substrate, contact metallization, and adhesive system directly determines your product's lifespan in tropical Central American operating conditions.

Engineering Parameter PET Graphic Membrane (Tactile) Polycarbonate (PC) Display Overlay SUS301 Metal Dome Array Capacitive Touch Film Switch
Flexural Fatigue Life >5,000,000 switch cycles >100,000 switch cycles >1,000,000 snap actuations Solid state (infinite flex)
Chemical Resistance Superior (Alcohols, Oils, Acids) Moderate (Sensitive to Ketones) Inherent (Hermetically enclosed) High (Glass/PET front layer)
Actuation Force (g) 180g – 450g crisp snap feel Non-tactile or light click 160g, 220g, 280g, 350g, 420g 0g (Proximity / zero touch force)
Sealing Classification IP65 to IP67 hermetic seal IP54 to IP65 with frame gasket IP65 when paired with carrier PET IP68 complete surface seal
Target Application Industrial panels, test meters Appliance faces, LED windows PCBs, remote controls, handhelds Sterile medical, smart home panels
CE/RoHS Compliance 100% Certified Low-Voltage 100% Certified Low-Voltage Direct Contact Tested CE/RoHS EMC Directive 2014/30/EU compliant

Market Trends: Why San Salvador Is Upgrading to Advanced HMI Systems

The Salvadoran manufacturing landscape is undergoing a notable transformation known across Central America as the "Industria 4.0 Centroamericana" movement. Historically focused primarily on basic textile maquilas and raw agricultural processing, national economic initiatives have attracted investment into precision injection molding, electronic peripheral re-engineering, power distribution equipment, and medical consumables.

1. Shift from Mechanical to Membrane HMIs

Bulk mechanical pushbuttons suffer high failure rates in San Salvador due to fine volcanic dust infiltration and oxidation of copper terminals caused by high humidity. Industrial engineers are systematically replacing obsolete mechanical switch banks with sealed, flat-profile membrane keyboards that seal internal contacts completely against atmospheric contaminants.

2. Stringent Medical & CE Export Standards

Salvadoran sub-assembly manufacturers exporting medical devices or sub-systems to Europe and North America require components backed by validated CE certificates, material declaration sheets, and RoHS/REACH compliance. Partnering with an exporter operating under verified ISO 9001 frameworks eliminates import customs delays and guarantees quality compliance.

3. Integration of Integrated Backlighting & FPC

Modern automation panels installed in regional distribution warehouses around Ilopango and Antiguo Cuscatlán require intuitive nighttime operator feedback. Cevra’s capability to integrate surface-mount side-firing LEDs, ultra-thin Light Guide Films (LGF), and polyimide FPC circuits delivers sleek, power-efficient, and brightly illuminated operator interfaces.

Factory Verification & In-House Manufacturing Prowess

Dongguan Cevra Electronic Technology Co., Ltd. operates a 2,600-square-meter modern manufacturing center in Dongguan, China—the world’s foremost electronics supply hub. Our operations combine Japanese precision raw materials with fully automated screen printing, die-cutting, and computerized testing.

Screen Printing Production Floor
Precision Screen Printing Cleanroom
CCD Drilling Machine for Pinpoint Tolerance
High Precision CCD Optical Drilling
Fully Automatic Laminating Machine
Automated Layer Laminating Lines
CCD Vision Inspection Quality Station
CCD Vision Inspection System
Metal Dome Load Force Tester
Computerized Dome Load & Click Tester
High and Low Temperature Test Cabinet
Thermal & Humidity Environmental Chamber
Unlike trading middlemen, every stage of our custom keypad fabrication is executed and verified in-house. Our quality laboratory utilizes CCD Optical Alignment Systems for laser-sharp registration, Dome Actuation Load Testers to ensure tactile forces strictly conform within ±20 grams of specification, and High/Low Temperature Humidity Chambers (-40°C to +85°C) to simulate decades of tropical service. Having been onsite audited and certified by SGS Group and operating under an ISO 9001 certified quality management system, Cevra provides Salvadoran clients with end-to-end traceability and peace of mind on every production lot.

San Salvador Procurement FAQs: Everything You Need to Know

Practical, engineering-focused answers to the questions most frequently raised by hardware engineers, procurement specialists, and plant managers in El Salvador.

Q1 How does Cevra ensure safe, fast shipping to San Salvador?

We partner with top-tier international express carriers (DHL Express, FedEx, and UPS) providing direct air freight to Monseñor Óscar Arnulfo Romero International Airport (SAL) in San Salvador within 4 to 6 business days. For bulk ocean container shipments, cargo routes smoothly via Puerto Acajutla on the Pacific coast. Every consignment is packed in moisture-barrier anti-static bags with desiccant gel packs inside impact-resistant export cartons.

Q2 What technical files are required to initiate a custom keypad prototype?

You can provide CAD vector files (AutoCAD .DXF/.DWG, Adobe Illustrator .AI, or vector .PDF) indicating outline dimensions, graphic legends, Pantone or RAL color references, button cutouts, window clear zones, and circuit routing diagrams. If you do not possess complete CAD drawings, our engineering department can reverse-engineer your physical sample or develop manufacturing schematics from your concept sketch.

Q3 How do your custom keypads withstand San Salvador’s tropical heat and humidity?

We utilize genuine Japanese Autotex/Toray biaxially-oriented PET substrates, which exhibit near-zero moisture absorption compared to standard PVC films. Internal conductive silver tracks are sealed with an overlapping dielectric and protective carbon ink layer to eliminate silver migration caused by galvanic corrosion in humid environments. Furthermore, we seal perimeter edges with industrial-grade 3M adhesive gaskets.

Q4 What is the minimum order quantity (MOQ) for custom keypad orders?

We actively support prototyping and early market evaluation runs. For custom graphic overlays, our minimum order quantity starts at just 10 pieces. For complete tactile membrane switches with metal domes and tail connectors, our standard pilot run MOQ begins at 100 pieces. For loose or arrayed metal domes, MOQs start from 1,000 pieces.

Q5 Can Cevra customize the click feel and actuation force for our operators?

Yes. We stamp our own SUS301 stainless steel domes in-house across a comprehensive range of profiles: 4-leg cross domes (8.4mm, 10mm, 12mm), triangular snap domes, and circular domes. Actuation forces can be fine-tuned anywhere from light consumer touch (160g) to heavy-duty tactile clicks (350g – 450g) designed specifically for gloved industrial machine operators.

Q6 Are your products compliant with European and North American electrical standards?

Absolutely. All custom keypad assemblies, metal dome arrays, and graphic panels shipped from our factory are fully compliant with CE Low Voltage and EMC Directives, as well as RoHS 2.0 (EU 2015/863) and REACH regulations. Third-party testing certifications and full material declarations are provided with commercial documentation.

Accelerate Your Next HMI Project with Cevra

Submit your mechanical drawings, project specs, or sample requirements today. Our experienced HMI engineering team will provide comprehensive Design for Manufacturability (DFM) feedback and a competitive quotation within 24 hours.

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