We are one OEM Turbocharger factory (HunanTyen) which has more than 30 years history in China.To help you know more about Tyen, here belowis the detailed introduction, OEM for almost 70 engine companies in China, including Cummins,Iveco,Detuz,Volvo,VW,Diesel Company,etc. Equipment line and technology were introduced from Borgwarner Germany in 1987,using German Schenck for compressor/Turbine wheels,UK Turbo Technics for CHRA balance. Professional R&D ability. We have now more than 100 models of turbochargers for aftermarket business overseas until now.And we have the ability to develop 5-10 models of turbochargers monthly