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LONGSUN Technology is one of the leading Human Machine Interface(HMI, the way people interact with their machines) input keyboard switch solution provider, manufacturer.

The HMI keyboards are widely used for ATMs, mobile phones, PDAs, security systems, access controls, automotive controls, Point of Sale terminals, war industry, avation industry,marine equipment, hospital and medical equipment, and every other application where people and technology meet.

From concept to completion, LONGSUN Technology works with you to design, manufacture and deliver complete HMI assemblies, subassemblies and components.


Established in 2006, under ISO 9001:2008 system.



 Our product series includes(but not limited)

****Silicone Keyboard

Mold with carbon pill, golden pill.

Flow Molding or Insert molding

Silk screen printing.

Spray painting and laser etched for backlight.

Silicone matte coating or matte PU coating.

Epoxy coating(hard or soft coating).

Silicone overmolding, low temperature molding and surface treatment with low temperature inks.

Silicone base and plastic key cap assembly.

Silicone keypad with metal dome assembly.

Silicone with front or rear adhesive (3M9448,DSMS...);

Silicone Gasket.

***Small plastic bezel; Housing; Shell

Materials: PC+ABS,PC or ABS,94V0 grade; Overmolds PSM copper nut/insert.

LONGSUN Industrial Design Hub,mainly provides the design solution to support our products and some whole assembled projects.


How to work with our Design Hub

 We work with our customers at various stages of their product development process, from prototype to mass production. We can offer design and engineering support for early-stage product development or can simply provide a quote for the desired quantities of fully-engineered and ready-to-manufacture project.


Our Tenet

 We have continually abided by the propose of  "




Our advantage


 (FREE Service)Design, Production feasibility analysis and proposal, 3D MODEL slight modification.

  -SHORT lead Time

In-house tool making supports a fast prototype sampling and any modification.


Small order is acceptable.


Currently, we are working for the world famous enterprises by OEM/ODM ,with the good ability of understanding, design,creation, manufacturing and comprehensive ability of source, our products enjoy a good reputation among our customers.