We are one of the biggest companies specializing in researching, developing and manufacturing core chuck, rotary joints and siphon system in China. We establishes the quality management system according to ISO9001: 2000. Our research center has developed varieties of products such as RY type conducting oil rotary joints, GYL high pressure rotary joints, high speed rotary joints special for paper-making machine etc, which has reached international advanced level. The products has been sampled to check before they leave the factory. Our products are widely used in industries from food to ironsteel. High quality, stable perormance, competitive price, satisfactory after sale. We hope to cooperate with you to build up a brighter future!