We are the Dwit Auto parts company since 1966,and after more than 47 years' development reformation and joint venture,our company has become a professional and leading global manufacturer on pistion ring,piston,cylinder liner,engine bearing and other engine parts,We are not only a member of National Internal Combustion Standardization Committee,But also a supplier for some domestic famous diesel engine factories. In year 2007,we set up our Export Branch in Guangzhou.

To guarantee products' high quality,we have introduced advanced international technology and productive equipments from Germany and other countries and we also built up a professionalengineering team to design and develop products.With quality control system of ISO9002,QS9000,TS16949,our products have very good reliability and stability,which make us win excellent reputation at home and abroad.

During these decades,we always take the market and costomers' requirement as the guide and seek for innovation,now our ...[More]ts have a wide application in automobile engine,diesel engine,compressor,transmission,heavy construction machinery and marine etc, and always keep ahead amony industry.

Our service faith is customers' satisfaction, our advantage are competitive price,superior qualityand timely response,so sincerely welcome you from home and abroad to cooperation with us to get mutual benefit,mutual development,and mutual flourish