JRZ brand was born in 1995 in the Netherlands and is a refit factoru specialized in manufacturing suspension system modification parts. The product line includes competition, racing, street series. JRZ has always been favored by many of the world's top racing teams, from F3 to rolex series, elite GT challenge, KONI challenge, Asian GT race, Indian grand prix, rally championship. And many international top racing professional teams all choose JRZ. JRZ shock absorber was used by tri-crown porsche team in the rolex 24-hour endurance racing at Daytona in 2006, 2007 and 2009.