Ningbo Precision Pressure Apparatus Co., Ltd is a professional damper and cylinder manufacturer in China with more than ten years&＃039; history. Our products cover different types of damper, air cylinder, and hydraulic cylinder. We have the most advanced research team lead by Dr. Jinhai Li. Designed by Senior Engineers, our research team reaches success in developing the most advanced dampers in China such as Magnetorheological Damper Project and Application of Magnetic Liquids Project. Because the stable quality of our products and our excellent designing ability, we established close and long term partnership with companies in China, USA, France, and Italy. We design and manufacture all kinds of standard air cylinders, hydraulic cylinders, dampers, air and hydraulic system. Our products also can be customized. Technical consultation and service for these products is also provided by us. Our damper products are widely used in vehicles, doors & windows, mechanical equipment, measuring instruments, buildings and bridges. Damper size is from 6mm for small electronics to 200mm for heavy loading. Our air cylinders are used in food making, electronic manufacturing, medicine, packaging, apparel manufacturing machines. They cover all kinds air cylinder with cylinder diameter from 8mm to 250mm. We are a specialist manufacturer in customized cylinders. Our air cylinders are used in 70% medicine machine in China. Our hydraulic cylinders are widely used in metallurgy, punching, vehicle assembly line, engineering machines. We are now providing all kinds of hydraulic cylinders with highest 35 MPa pressure with cylinder diameter from 20mm to 400mm. We believe quality always comes first. And our excellent designing, manufacturing, and service can provide you the best products. We are looking forward to your partnership.