HY AUTOMOTIVE CATALYST Manufactory was originally established to produce American auto parts in South Korea, China, and Germany. HY has already had 3 subsidiary plants in China, and now HY has become a leading manufacturer of automotive exhaust systems in China. HY was founded in 1992, located in Jinhua Industrial Area and Yongkang City industry park, Zhejiang Province, which is the famous hardware city of China. HY is a professional manufacturer of kinds of exhaust systems and OE products. Our main products include Mufflers, Catalytic Converters, Exhaust Manifolds (exhaust headers & turbo headers), Muffler Tips, Motor Cooling Fans, Plastic Products, and Hardware Accessories.

With power technique from South Korea engineers, German quantity control systems, advanced technological equipment (Imported), scientific testing methods and perfect management systems, we have established strict quality system. Our enterprise has comparison forerunners to design with perfect products and molding tools to manufacture, and have strong production ability. We regard "Quality First, Credit Highest" as our aim, form our main products for export, and possess higher creditable quality reputation in local and international market. With over 300 employees, we are proud that we have a long history in manufacturing various exhaust manifolds and mufflers for types of vehicles supplying to the worldwide markets. In 1999, we passed the CQC Quality Authentication. In 2003, HY was successfully certified with QS9000 and ISO9001 Certification. In 2005, HY passed the evaluation of the ISO/TS16949 auto part quality system Certification. With market requirements for production, with customers' satisfaction for our aim, with the development of positive proceeding products, and with "high-quality products, low price and excellent service", we have continuously increased local market share and expanded international market. In auto part manufacturing, we have good cooperation with customers in America, Europe, Japan, South Korea, Hong Kong and other countries and regions, and we specialize in 90% OEM & ODM service.

We sincerely welcome motor companies, worldwide importers, distributors and other credit firms to contact us for cooperation. We look forward to cooperating with you and welcome everyone around the world to exchange the differences.