Authorized person
Authorized person

Our products

Gasoline Generators QST 950
Gasoline Generators QST 1500CL
Gasoline Generators QST 3500M
Gasoline Generators QST 3500ME
Gasoline Generators QST 7500CLE
Gasoline Generators QST 7500CLE3

About Us


We have the knowledge and experience for more than 15 years of service, we are excited to share with our valued customers. Demir Makine İthalat & İhracat San. ve Tic. Ltd. Şti. has been founded in Istanbul in 1999. Generators, Engines, Water pumps, agricultural machinery, construction machinery, in the field of Import & Export and Production areas began to serve QSTRONG, VISPO and COSTA registered trademarks with the result of his successful work has become one of the industry’s leading reputable brands. All product groups in Turkey has been serving its customers with extensive dealer and service network. In addition, working with groups of Turkey’s leading Construction Market. Together with all employees, customer satisfaction by providing reliable and honest service has identified as the primary goal. For this, first quality, aesthetic and affordable products and continues to provide sales and aftersales service. Success and sustainability of production, working with the principle of honesty and quality assurance services. We would like to thank you for your immediate attention and support will continue to serve today and in the future.



“Osmangazi Mh. Mertler Cd. Şenlik Sk. No:6/A, Sancaktepe, İstanbul, Türkiye”

Authorized person

“Tuncay DEMİR”


“+90 216 308 05 30 ”

Contact Form