r744 partner logos smaller DENALINE

Dena Line

Established in 1977 in Pordenone, Italy, Dena Line s.p.a is a European leader in the production of refrigeration and air conditioning components.

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r744 partner logos smaller ESK Schultze

ESK Schultze

ESK Schultze GmbH & Co.KG is a manufacturer of refrigeration, air-conditioning and heat pump systems located in Velten, Germany. ESK has a series of standard components approved for natural refrigerants including CO2 (R744) up to 130 bar, ammonia (R717) and propane (R290).

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r744 partner logos smaller HB PRODUCTS

HB Products A/S

HB Products is a development-oriented Danish company, which specializes in the development and production of sensors for industrial and commercial refrigeration and heat-pump systems.

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r744 partner logos smaller SINTEF 1

Sintef Energy Research

SINTEF is the largest independent research organisation in Scandinavia. Its Energy Research department offers solutions and services for CO2 Technology in refrigeration, mobile air conditioning, and heat pump systems.

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r744 partner logos smaller WIELAND


The Wieland Group, with headquarters in Ulm, is one of the world’s leading manufacturers of semi-finished and special products in copper and copper alloys, such as strip, sheet, tubes, rods, wires and sections. Special products include slide bearings, finned tubes and heat exchangers.

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r744 partner logos smaller TEGA 1


TEGA – Technische Gase und Gasetechnik GmbH based in Würzburg was founded over 60 years ago and, since April 2018, belongs to the Irish DCC group.

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JSC “Refra” is one of the leading companies in the field of manufacturing refrigeration equipment. The long-term work experience, the widest range of products, an individual approach to each client and professionalism – those advantages enable Refra to obtain wide publicity in refrigeration market segment.

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