Ningbo Economic & Technical Development Zone Yili Damper Co., Ltd. was founded in 1995 and located in the Ningbo Economic & Technical Development Zone. We specialize in the research, development and production of gas springs, oil cylinders for fitness facilities, and rollers for electric treadmills. Our company produces a great variety of gas springs including the YQ series of compressing gas springs, the LQ series of stretching gas springs, the JKQ series of locking angle gas springs and the SKQ series of locking height gas springs. Our gas springs are highly secure and reliable, have consistent strength value, long lifespan and the characteristic of none blow-by. They're widely applied in the industries of automobiles, medical supplies and furniture decoration. Our oil cylinders for fitness facilities have the characteristics of even strength value, no empty-distance, no infiltrate and leakage of oil, and long lifespan. They can satisfy all sorts of fitness ...[More]s such as rowing machines, mountaineering machines and the step machines. Our dampers have the characteristics of obvious effect of shock absorption, no noise, and long lifespan. They are suitable for the shock absorption of automobile chairs, opening and closing systems of the cabinet sliding doors, drawers, room windows and doors. The rollers we produce for electric treadmills have the characteristic of reliable structure, high concentricity, high precision dynamic balancing, low noise and long lifespan. They can satisfy all home-used or commercial-used electric treadmills. Insisting on the motto of "Honesty, Customer and Quality First, Whole Participation, Continuous Improvement, Excellence Pursuing ", our company has gained the ISO9001 certificate. Hence, we can provide high quality products at reasonable prices with ultra valuable services to customers. Our company is looking forward to cooperating with you.