Tianyu insists that product quality comes from advanced design, research, development and strict management. Since passing ISO/TS16949 quality management system (including design, research and development) in 2005, Tianyu has been following the quality management systems and 6S Field Management strictly and effectively. Stringent inspection process, triple-100% thorough examination assures superior product quality. Tianyu was named " Excellent Supplier Award " or "A-class supplier " by many engine makers over the years.