& nbsp; & nbsp; & nbsp; & nbsp; professional company working on clutch disc, pressure plate production and sales and business own brand "Long Yan" products. Relying on scientific and technological innovation vigorously into the development of new products, in the combination of product structure, to adapt to the heavy truck market, selection of the buffer structure to make the clutch driven disc in use effectively reduce the mechanical impact force reduction, vibration plate after super ion carbonizing heat treatment and carbon and nitrogen permeation, the hardness and fatigue of the corresponding increase 20% - 90%, with high strength, high elasticity, good mechanical properties, long life characteristics. Current products have been subsumes 255-430 in heavy clutch driven disc assembly and modified product of dozens of varieties, and can carry out flexible production, better meet the needs of users at different levels, to ensure that the engine for high power into full play, to enable enterprises to continuously toward international, products towards development series, best-selling products at home and abroad market and well received by the consumers trust. A prefix = o ns = urn:schemas-microsoft-com:office:office />