Shijiazhuang HongFa internal combustion engine Fittings Factory founded in 1990 and after development and growth in the past years, we have become one of the most influential factory which have many agency in many cities of China.With over 500 employees and 50 various engineering technicians, we are specialized in one varieties of engine valve(inlet&exhaust valves) with modern enterprise system. Our engine valves are suitable for ...