Hangzhou Yongshen Holding Co., Ltd is a professional manufacturer of all kinds of gas spring, damper, include the compression gas springs, locking gas springs, traction gas springs, stainless steel gas spring and damper, which are widely used for office chair, kitchen cabinets, medical beds and car, Engine Cover, all kinds of door and so on.At present We have passed the RoHs certification and GSG certification, also passed 180,000 times fatifue test from TUV for our gas spring. We manufacturer the best quality of gas spring in china and widely export to Germany, USA, Canada, Australia and so on, our customer are very satisfy with our quality and service.We can design and manufacturer for you according your drawing or request, our production capacity can be 100,000 pcs per month, We adopt the manufacturing technology of SABILUS and SUSPA in Germany, Our engineer have more than 20 years production experience, we sincerely welcome you to cooperate with us and have win-win situation.We pursue the management tenet of "Quality is superior, Service is supreme, Reputation is first", and will sincerely create and share success with all clients, we will always provide the highest service and best quality with competitive price, welcome you to contact us by email or Fax and send Inquiry to us for more information.