About Us - Zio Ciro Genuine Italian Wood Fired Ovens for Pizza
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About Us

TEK REF is an Italian company, based in Sardinia, Italy that has been producing ready-made wood-fired ovens for 20 years, under the Zio Ciro brand. One of the two founders, Luca Pieri, had always been familiar with refractory materials and ovens since his childhood. Initially, TEK REF began operating as a small company, selling exclusively in the domestic market. Throughout the years, the business grew in terms of quality and production capacity, two factors that allowed it to expand internationally and start selling in over 50 countries.


Our Zio Ciro wood/gas fired ovens, 100% Made in Italy, are entirely produced in an artisanal factory by high-skilled workers with years of experience in the field, using top-quality machinery that delivers top-quality products.


TEK REF quality control system is compliant with the UNI EN ISO 9001-2008 regulations and, from 10.01.2013, the company has adopted the organizational model outlined in the Italian Legislative Decree 231/231.

Patented coating department
Manufactured Goods
Blacksmith / Products Development
Manufactured Goods
Web / Export
The Dog

System Quality certified by ISO 9001:2008

Zio Ciro trademark registration, certified 100% Made in Italy

Italy Patent for Industrial Invention – Italian Minister for Economic Development

United States of America Patent for Industrial Invention

European Certificate for Safety of Used Materials, registered in the Czech Republic.

Zio Ciro trademark certified at international level by WIPO (World Intellectual Property Organization).

Zio Ciro trademark registration in the United States of America.

Zio Ciro trademark registration in Japan.

Zio Ciro trademark registration in South Korea.

Zio Ciro trademark registration in Canada.

IMQ Prima Control Certification on regulation EN 1860-1 : 2013