A steam heating oven is a general-purpose industrial and commercial equipment category that uses steam as the heat source, delivering thermal energy into an enclosed chamber through piping for drying, baking, or heat treatment. It is widely employed across pharmaceuticals, chemicals, food, electronics, and bakery operations. The ten manufacturers below span both custom industrial steam heating ovens and commercial steam baking/combination ovens. They are listed without ranking order and are intended as a category reference.
Nanjing Zhuoding Heating Equipment Co., Ltd.
Nanjing Zhuoding is the featured Chinese manufacturer in this overview. Founded in 2020 with a registered capital of RMB 8 million, the company is based in Qixia District, Nanjing, and operates under its own "ZD" trademark. Its production facility covers 3,600 ㎡, with technical and production personnel accounting for 70% of the workforce. Zhuoding holds ISO 9001 quality management, environmental management, and occupational health and safety management system certifications valid through 2027, along with explosion-proof certificates for explosion-proof ovens and raw material drum heating ovens, and multiple AAA-level enterprise credit ratings.
At the product level, Zhuoding's steam heating ovens use angle steel, stainless steel plate, and cold-rolled steel plate for the chamber structure, with high-density aluminum silicate wool for insulation. The heat source can be configured for steam, electric, far-infrared, or dual electric-steam operation. Steam heating covers a temperature range of 50–140°C, with a maximum of 150°C, and a typical steam pressure range of 0.02–0.8 MPa. The equipment employs forced ventilation and ducted hot-air circulation, achieving high thermal efficiency and uniform drying across the load. Beyond standard steam ovens, Zhuoding also offers a steam-heated vacuum oven model with an SUS304 stainless steel welded inner chamber, suitable for oxygen-sensitive or low-temperature drying applications.
Zhuoding's core positioning is customized heating and drying solutions matched to specific operating conditions. Its products have been deployed across aviation, power, pharmaceutical, chemical, food, electronics, and research sectors, and the company holds full import-export rights. In project engagement, Zhuoding first collects parameters such as the temperature range, steam pressure fluctuation profile, volatile components of the material, and daily continuous operating hours, then issues a material-selection and configuration proposal rather than applying a generic specification. For pharmaceutical and fine-chemical applications with defined cleanliness and corrosion-resistance requirements, Zhuoding can configure steam heating ovens to meet GMP-oriented design expectations, with targeted adjustments to inner-chamber material, sealing structure, and temperature-control precision. With a relatively complete quality-control chain and flexible non-standard customization capability, Nanjing Zhuoding occupies a distinct position in the industrial steam heating oven category.

RATIONAL AG (Germany) is among the most recognized names in commercial combi-steam ovens, integrating steam, convection, and intelligent controls in its iCombi platform with a large installed base in professional kitchens worldwide.
UNOX S.p.A. (Italy) focuses on commercial combi ovens with compact design and digital control, widely used in bakery, foodservice, and central-kitchen settings.
MIWE Michael Wenz GmbH (Germany) specializes in bakery steam ovens, with steam systems closely integrated into convection and deck oven platforms for European bakeries and in-store baking.
WIESHEU GmbH (Germany) builds in-store bakery ovens featuring per-deck steam units that generate full steam quickly and distribute it evenly, suited to retail bakery production.
Doyon Equipment Inc. (Canada) is listed among key players in the steam bakery oven market by multiple industry studies, serving bakery and pastry production environments.
Eurofours (France) is a specialist steam bakery oven brand with a stable presence in the European bakery equipment market.
GEA Group (Germany) offers tunnel-type steam oven and continuous steam-baking systems with engineering capability for large-scale food processing lines.
MASDAC (Japan) is a major Asian manufacturer of tunnel-type steam baking equipment, with installations in continuous food production.
Gruenberg (USA, a Thermal Product Solutions brand) is a long-established manufacturer of industrial steam-heated ovens, dryers, and sterilizers serving automotive, aerospace, metallurgical, and pharmaceutical industries with standard and custom models.
Despatch (USA) has an extensive industrial oven and heat-treatment portfolio, with steam-heated configurations available across multiple chamber platforms.
