Doocar Auto Engineering (Shanghai) Co., LTD was founded in Jun 2004, which was set up by one professional team with over 20 years experiences at the field of Automotive collision repair equipment industry. With its business expansion, the second manufacturing site Doocar Liner (Shandong) Industrial Technology Co., LTD was establishend in Apr 2007. 

We really know the importance of one fast and profitable machine for one auto body shop, we dedicated to designing developed Doocar brand car bench that is most preferred in collision repair industry. The frame straightening machine can help you repair any collision damaged vehicles that enters your workshop, from slight cosmetic work to full-frame repairs.

In order to cater to the global need of heavy duty vehicle body repairs industry, we developed the Truck-O-Liner brand heavy duty vehicle alignment and straightening equipment, which is the most professional and popular chassis and suspension correction system and frame straightening system for heavy duty vehicles of all types, including trucks, buses, trailers etc. The equipment has been used in 4S workshops of Daimler Benz trucks, Volvo trucks, Scania trucks, and Foton Daimler Auman trucks. Doocar has grown to be the pioneer of heavy truck frame straightening machine manufacturer in China. 

So far our auto frame alignment and straightening system has been sold to most automobile 4S workshops like GM, Ford, BMW, BENZ, AUDI, Mazda, Jaguar Land Rover, Porsche, Volvo, Lexus, Infiniti,Chrysler, Peugeot, Citroen, Volkswagen, Toyota, Nissan, Honda, Subaru, SSANG YONG, Saab, Opel, Southeast Motor, FAW, GAC, JAC, CHERY, BYD, CHANGAN, BAIC, GreatWall.  

More than 50,000 sets of automobile body frame repair equipments have been sold in more than 100 countries  and regions like China, the United States, Canada, Mexico, Brazil, Australia, New Zealand, South Africa, Angola, Sudan, Saudi Arabia, Oman, Israel, Egypt, Italy, Spain, Germany, Poland, Russia, Ukraine, Kazakhstan, Uzbekistan, South Korea, Japan, the Philippines, Thailand, Malaysia, and Singapore.