> For the complete documentation index, see [llms.txt](https://docs.industryapps.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.industryapps.net/common-faq/how-to-use-eclass-and-concept-dictionary.md).

# What is ECLASS?

{% hint style="warning" %} <mark style="color:orange;">IndustryApps uses Eclass to ensure semantic interoperability between Industrial solutions.</mark> <mark style="color:orange;">All Apps in IndustryApps get ability to interpret an Digital Twin using this semantic standard</mark>
{% endhint %}

ECLASS is **an international, widely used data standard for the classification of products and services**. It enables product master data to be exchanged digitally across all borders - across industries, countries, languages, and organizations.

ECLASS promotes international interoperability of data exchange in the supply network with a cross-industry product classification systems and standardized interfaces

{% hint style="success" %}
**ECLASS has established itself internationally as the only ISO/IEC-compliant industry standard, and is thus the worldwide reference-data standard for the classification and unambiguous description of products and services.**&#x20;
{% endhint %}

{% embed url="<https://www.youtube.com/watch?v=LsQGcaKo5xo>" %}
Eclass video&#x20;
{% endembed %}

{% embed url="<https://eclass.eu/en/eclass-standard/introduction>" %}

{% embed url="<https://eclass.eu/en/application/best-practice#c172>" %}