BSD (primitive name: shenzhen baolida membrane switch plant ) is the first membrane switch, overlay manufacturer in China Since its inception,establish China's first membrane switchenterprise standard: SZ Q/L2208-88 standard,we had passed ISO9001:2008Detailed Product DescriptionNotice: we have the capacity to provide you membrane switches with other special requirements, such as shielding, windows/lens coating, embossing, embedded LED, UV glossy/matte/textured and morePrototypes of membrane switch and keyboards in 4-7 days.Membranes switch type: 1, button-neutral embossed touch membrane switch 2, built-in metal shrapnel-touch membrane switch 3, the flat touch membrane switch 4, built-in LED indicator membrane switch 5, with shielding layer membrane switch linesMEMBRANE SWITCH:1. MEMBRANE SWITCH'S OVERLAY MATERIALS: the most commonly used base materials are polyester and polycarbonate.2. Rear Adhesive: 3M 467MP T4000 etc.3. Quality can meet customerProducts Highlight-Embossed, dome and flat panel options-Tactile or no-tactile actuation-Novelty, thin, light, good tactility, abrasion resistant-Moisture-proof, dust-proof, waterproof, anti-oil, anti-corrosion, quakeproof.-Easy to operate, intuitive, safe and reliable, In-house 100% functionally tested.-Customized specification is available and keys can make different shapes.-Application:Equipment-matching color: Pantone and RAL-Certification: RoHs, ISO9001:2008