Rösler upright pianos are designed by the R & D center of PETROF company. They are produced according to the technical documentation of the Department of Construction and Technology of PETROF company and the production is supervised by workers of PETROF company.

Rösler upright pianos are produced in two series - heights of 118 and 126.

Rösler 118 is fit for beginners, non-musical schools and hobby players.

Rösler 126 is suitable for intermediate pianists, non-musical schools, hobby players and as an accompanying instrument.

罗瑟的公司历史和品牌需要追溯到19世纪的下半叶，罗瑟品牌由庞大的罗瑟家族创立，当时他们的家族遍及现捷克波西米亚的北部和德国的萨克森地区。1878年罗瑟﹒格斯塔福先生创立了罗瑟钢琴厂，因此1878年被公认为罗瑟品牌的创立年。1900年罗瑟﹒路德维克先生从他姐姐罗瑟﹒海勒娜手中接管了罗瑟工厂，他将工厂进行了扩大改造和现代化，因而在1903年获得了奥地利皇室颁发的“官方指定供应商”的称号，并将罗瑟钢琴的品质展现在世界的舞台。罗瑟钢琴不仅远销英国和南非，在整个欧洲享有盛誉，捷克斯洛伐克共和国独立后罗瑟工厂获得了极大的繁荣，1928年罗瑟﹒路德维克先生去世了，但是他对罗瑟的品牌做出了杰出的贡献，并留下了两个非常能干的继承者，他的两个儿子：雷诺和瓦尔特兄弟。两兄弟都是当时顶级的钢琴专家和一流的设计大师，并且都是非常出色的业务能手，他们将罗瑟钢琴畅销了欧洲18个国家。
在罗瑟家族工厂存在的70年中，罗瑟品牌打造了如此享有盛誉的品牌地位和荣耀，因此罗瑟品牌在没有罗瑟的工厂后依旧存在了60多年。在罗瑟诞生的115年后，在欧洲占有领导地位的捷克佩卓夫工厂正式接管了这个品牌，并延续繁荣至今。
现在的罗瑟钢琴拥有许多传统和现代的结合：
--经过百年时间考验的传统欧洲铁板和弦列设计。
--现代的音板弧度设计工艺能有效应对气候变化。
--加入了高效而流行的佩卓夫工艺设计。

The history of the Rösler company and brand goes back to the second half of the 19th century and begins with the large Rösler family of north Bohemia and Saxony. The year 1878 is considered the official date when the Rösler factory was founded by Gustav Rösler.

Ludwik Gatter bought the company from his sister Helena Rösler in 1900 and successfully presented his instruments to the international markets. Rösler instruments were sold even in Great Britain and South Africa.

The company flourished after the creation of independent Czechoslovakia. Ludwik Rösler died in 1928 but left two able successors, his sons Reiner and Walter. Both were top piano experts and first-class designers as well as efficient businessmen who exported Rösler pianos to 18 European countries.

During the 70 years of existence of the Rösler family factory, the Rösler brand built such a strong position that its reputation survived for another 60 years after the factory closed. After more than 115 years after its creation, the Rösler brand was acquired by PETROF, a leading European piano manufacturer.