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About us

MCOB technology, known as muti-chips integration of COB packaging technology, was established in 2011. The chips are connected together for packaging which is quite the contrary of dot-connected SMD products. The substrate is copper foil which is good for optical processing.With it’s 360 degree beam angle of luminous flux and well designed air-flow shell, it wins the Red dot design award in 2015.The well-designed internal double-layer or sandwich-like Crystal light modules ensure the long lifespan by preventing contact-ion of wires and chips. through interspersing the power of a single light source it avoids the unnecessary glare and zebra which may cause tile light effect. With this technology, LED surface light is well functioned just like incandescent lamp.

  • We hold all the patents for the newest CRYSTAL technology
  • We produce original MCOB LED light bulbs with 360° full beam angle
  • We have optimized the supply chain system in oreder to be able to offer an excellent price
  • We use logistic systems by EUSAHUB, so we are able to deliver all orders within 1-5 business days acress the EU
  • Out clients/customers strongly benefit from an easy-to-use online ordering portal for products selection & automated invoice provided
  • Simple tracking status of delivery and satisfaction with claim request


Contact us


Contact information

Logistic, it solution and accounting by eusahub, s.r.o.

D1 Expo Business Centre
Horný dvor
903 01 Senec

WELEDU s.r.o.
Humenské nám. 3168/7
Bratislava 851 05
Slovak Republic, Europe

Corporate ID: 48 098 272
Tax ID: 2120080996
VAT ID: SK2120080996

Phone: +421 903 946 611
Email: info@weledu.eu

Eusahub, s.r.o.
Palkovičova 9
821 08 Bratislava
Slovak Republic, Europe

Corporate ID: 46 815 261
Tax ID: 202 3596 267
VAT ID: SK202 3596 267

Phone: +421 903 946 611