Logo společnosti J 4 s.r.o.

“We build ovens for mastersof their craft”

Archive of news and press releases

J4 representatives participated in one of the largest exhibitions in the Middle East and Asia - GULFOOD MANUFACTURING 2017 in Dubai.

Gulfood Manufacturing 2017 - Exhibition in Dubai, more »

Representatives of J4 took part in russian exhibition Agroprodmash 2017 in Moscow on October.

Agroprodmash 2017 Moscow, more »

Representatives of J4 took part in a major international exhibition Südback 2017, which took place in Stuttgart, Germany, on 23-26 September 2017.

Südback 2017 Stuttgart, more »

In 2017 J4 introduced new promotional video.

New promotional video, more »

J4 has launched a new PPP 1.3 13.217-D tunnel oven for baking pizza with a filling and a semi-finished pizza base in the city of Rokytnice (Czech Republic). This is the second pizza oven at this plant. In addition to the usual round pizza, on the first line there are also produced portioned prod

Launch of a new belt conveyor furnace in Rokytnice (Czech Republic)., more »

J4 s.r.o.

Průmyslová 96

Předměřice nad Labem

CZ-503 02 Česká republika


VAT ID Number: 60935731


Registered at Municipal Court

in Hradec Králové, section C, insert 6207


Telephone: +420 495 581 139

Fax: +420 495 581 321



Ing. Michal Verner

Head of Service