Ronal
Ronal is a Swiss-based manufacturer of aluminium alloy wheels for cars and commercial vehicles, with a second business division focused on showers and bathroom furniture.
Last updated August 25, 2026
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Overview
Ronal is a Swiss-based industrial group whose principal business is the development and manufacture of aluminium alloy wheels for passenger cars, commercial vehicles, and specialist automotive applications. The group operates in both original-equipment manufacturing, supplying vehicle manufacturers, and the aftermarket, where products are sold under brands including Ronal and Speedline Truck. Its portfolio has historically covered cast and forged wheels, with production and engineering capabilities extending to flow forming, tooling, surface finishing, and other weight-reduction technologies. The business was founded in Germany in 1969 by Karl Wirth, an entrepreneur and Formula V driver who identified the potential of aluminium wheels as a lighter alternative to conventional steel wheels. Ronal subsequently developed from a specialist wheel producer into an international manufacturing group. Its first factory outside Germany opened in France in 1978. Expansion later included the acquisition of Speedline in Italy in 2007, which strengthened the group's position in wheels for trucks, trailers, buses, racing, and other demanding applications. Speedline also brought the group closer to motorsport and Formula 1-related activity, while supporting the adoption of flow-forming and weight-optimisation technologies. Ronal expanded its technical capabilities through a majority investment in Taiwan's Fullchamp in 2012, increasing its presence in forged wheels, and through the acquisition of APP-Tech in Padova, Italy. In 2013, the group worked with Australia's Carbon Revolution to introduce a one-piece carbon wheel to the European market. Ronal has also invested in its own production tooling, with tool-manufacturing activities in Cantanhede, Portugal, and Härkingen, Switzerland, and maintains a research and development centre in Forst, Germany. A logistics centre, Ronlog, opened in Forst in 2016. According to the cited company description, the group operates 12 wheel-production facilities, six bathroom-furniture plants, two tool-manufacturing factories, a logistics centre, and sales locations in 11 countries. It produces approximately 16 million wheels annually and employs about 7,000 people. These figures are presented as company or reference-material descriptions rather than independently verified financial disclosures. Ronal has also broadened beyond automotive components. The former SanSwiss Group became Ronal Bathrooms in 2023, creating a bathroom and wellness division centred on shower solutions and bathroom furniture. The group also acquired businesses and brands associated with Glass 1989, Karol, and Kudos to support the strategic expansion of this division. In 2024, the SanSwiss division was renamed Ronal Bathrooms and the SanSwiss product brand was renamed Ronal. The group's current identity therefore combines two industrial platforms: automotive wheels and bathroom products. In automotive, its positioning is based on engineering, lightweight construction, manufacturing scale, OEM and aftermarket coverage, and specialist products for commercial vehicles. In bathrooms, it focuses on shower systems and bathroom furniture. Ronal remains active, but its ownership structure, current executive roster, and detailed financial performance are not established in the supplied reference material.
History
Ronal originated in Germany in 1969, when Karl Wirth founded the company after recognising the automotive potential of aluminium wheels. Wirth's background as an entrepreneur and Formula V driver informed the company's early interest in lighter wheel construction. Aluminium alloy wheels could reduce unsprung mass and provide styling and performance benefits compared with conventional steel wheels, giving Ronal a position in a developing specialist market. The company opened its first factory in France in 1978, marking an early step beyond its German base. Over subsequent decades, Ronal developed capabilities in wheel design, casting, forging, tooling, finishing, and international distribution. Its business came to include both OEM production for vehicle manufacturers and aftermarket sales under its own or associated brands. A major expansion came in 2007, when Ronal acquired the Italian wheel manufacturer Speedline. Speedline strengthened the group's commercial-vehicle business, including wheels for trucks, trailers, and buses, while also adding expertise and market presence in racing applications. The acquisition connected Ronal with Speedline Corse and with motorsport activity; the supplied reference material states that 83 FIA titles were won on Speedline Corse wheels. Speedline also supported the group's development in flow-forming technology and other weight-optimised wheel processes. Ronal continued to expand its forged-wheel capabilities. In 2012, it took a majority stake in Fullchamp in Taiwan. In 2013, Ronal joined with Australia's Carbon Revolution to launch a one-piece carbon wheel on the European market. The group later acquired APP-Tech of Padova, Italy, further increasing its capacity in forged wheels. Alongside acquisitions, Ronal built internal manufacturing infrastructure. It develops and produces its own production tools at facilities in Cantanhede, Portugal, and Härkingen, Switzerland, and operates a research and development centre in Forst, Germany. The Ronlog logistics centre opened in Forst in 2016. Ronal marked its 50th anniversary in 2019. By the period described in the reference material, the group had grown to approximately 7,000 employees, 12 wheel-production facilities, six bathroom-furniture plants, two tool-manufacturing factories, a logistics centre, and sales locations in 11 countries. Its wheel output was described as approximately 16 million units per year. The company uses casting, forging, flow forming, and undercutting to pursue lighter wheels, while surface-treatment and decoration processes include multicolour rim techniques, pad printing, laser processing, diamond cutting, and polishing. The group subsequently expanded into sanitary products and bathroom wellness. In 2023, the former SanSwiss Group became Ronal's bathroom and wellness division, while businesses and brands linked to Glass 1989, Karol, and Kudos were acquired to broaden the shower and bathroom-furniture portfolio. The same year, Ronal and Callista completed the sale of Speedline S.r.l., including Speedline and Speedline Corse, effective October 1. Ronal continued Italian-market support and group-wide activities through Ronal Italia Services S.r.l. In 2024, the SanSwiss division was renamed Ronal Bathrooms and the SanSwiss product brand was renamed Ronal. Ronal's present structure is consequently based on two principal activities. The Wheels division serves automotive manufacturers and aftermarket customers with passenger-car and commercial-vehicle wheels, while Ronal Bathrooms supplies shower solutions and bathroom furniture. The supplied sources do not establish a complete list of current executives, ownership details, financial results, or a public stock-market listing.
- 2024
SanSwiss becomes Ronal Bathrooms
[1]The SanSwiss division was renamed Ronal Bathrooms and its product brand was renamed Ronal.
- 2023
Bathroom division expansion and Speedline sale
[1]Ronal expanded its bathroom and wellness activities through acquisitions and completed the sale of Speedline S.r.l. effective October 1.
- 2019
50th anniversary
[1]The Ronal Group marked five decades of operations.
- 2016
Ronlog logistics centre opens
[1]Ronal opened the Ronlog logistics centre in Forst, Germany.
- 2013
Carbon wheel collaboration
[1]Ronal and Carbon Revolution launched a one-piece carbon wheel on the European market.
- 2012
Majority investment in Fullchamp
[1]Ronal expanded its forged-wheel activities through a majority stake in Taiwan-based Fullchamp.
- 2007
Acquisition of Speedline
[1]Ronal acquired Italian wheel manufacturer Speedline, strengthening its commercial-vehicle, racing, and flow-forming capabilities.
- 1978
First factory in France
[1]Ronal opened its first factory in France, beginning a significant phase of international manufacturing expansion.
- 1969
Ronal is founded in Germany
[1]Karl Wirth founded Ronal in Germany to develop and manufacture aluminium wheels.
Products and positioning
An engineering-led international manufacturer combining lightweight aluminium wheel technology for automotive OEM and aftermarket customers with a growing bathroom and wellness platform focused on shower solutions and bathroom furniture.
Passenger-car alloy wheels
Ronal wheels
Ronal-branded aluminium alloy wheels serve vehicle manufacturers and aftermarket customers. The group applies casting, forging, flow forming, undercutting, and multiple finishing and decoration processes to produce wheels balancing weight, strength, appearance, and manufacturing efficiency.
Commercial-vehicle wheels
Speedline Truck
Speedline Truck covers wheels for commercial vehicles such as trucks, buses, and trailers. The line represents the group's specialist commercial-vehicle activity and has historically been associated with the Speedline business acquired by Ronal.
Racing and motorsport wheels
Speedline Corse
Speedline Corse was the racing-oriented wheel brand associated with the Speedline business. It developed a strong motorsport profile, including use in competition. Ronal sold Speedline S.r.l. and the associated Speedline and Speedline Corse brands in 2023.
Shower solutions and bathroom furniture · 2024
Ronal Bathrooms
Ronal Bathrooms is the group's bathroom and wellness division. It focuses on shower units, shower solutions, and bathroom furniture, incorporating activities formerly associated with SanSwiss and acquired businesses linked to Glass 1989, Karol, and Kudos.
Brand decisions
2024
Rebranding of the bathroom divisionStrategyBackground
Ronal consolidated its growing bathroom and wellness operations under a common group identity.
Action taken
The SanSwiss division was renamed Ronal Bathrooms and the SanSwiss product brand was renamed Ronal.
Aftermath
The rebranding aligned shower solutions and bathroom furniture more closely with the Ronal Group identity.
2023
Sale of Speedline S.r.l.M&ABackground
Ronal and Callista reorganised ownership of the Speedline business while maintaining selected Italian-market support activities.
Action taken
The parties completed the sale of Speedline S.r.l., including the Speedline and Speedline Corse brands, effective October 1, 2023.
Aftermath
Ronal continued Italian-market and group-wide support through Ronal Italia Services S.r.l., while the Speedline operating business left the group.
2013
Launch of a one-piece carbon wheel in EuropeProduct launchBackground
Ronal pursued lighter wheel technologies and sought to bring composite-wheel innovation to the European market.
Action taken
Ronal collaborated with Carbon Revolution to launch a one-piece carbon wheel in Europe.
Aftermath
The launch illustrated Ronal's interest in advanced lightweight materials beyond conventional aluminium-wheel production.
2012
Majority stake in FullchampM&ABackground
Ronal aimed to increase its forged-wheel capabilities and international manufacturing reach.
Action taken
The group acquired a majority stake in Taiwanese wheel manufacturer Fullchamp.
Aftermath
The investment expanded Ronal's position in forged wheels.
2007
Acquisition of SpeedlineM&ABackground
Ronal sought to broaden its wheel portfolio beyond passenger-car applications and strengthen its position in commercial vehicles and specialist motorsport markets.
Action taken
Ronal acquired Italian manufacturer Speedline, adding commercial-vehicle, racing, and flow-forming capabilities.
Aftermath
The acquisition expanded Ronal's presence in trucks, trailers, buses, racing, and Formula 1-related activity.
Sources3 sources
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