Holdra
Professional network and digital showcase connecting glass-industry professionals with companies, products, services and software
Highlights
- New on EvolcAdded 2026-11-05
About Holdra
HOLDRA develops and maintains Glass Open Book, a professional network and digital platform for the glass industry. It brings together industry profiles, company and product listings, services, job listings, and glass-production applications.
The platform serves glass-industry professionals, job seekers and suppliers. HOLDRA provides digital and media services, including digital marketing channels that help companies showcase their products and services and connect with potential customers.
HOLDRA Limited launched Glass Open Book in 2016. Its founders began collaborating in 2012 on digital products for glass container manufacturers.
Product: Glass Open Book, a professional network and digital showcase for glass-industry companies, products, services, jobs and applications.
Jobs at Holdra
Leadership
- Alexey Romankov · FounderSource: company website
- Rajko Machold · FounderSource: company website
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