konstante Feder

constant force spring is used for computer LCD's up and down,electric fans ,door and window's up and down ,and automats'shelf ,etc.Which is made of SUS 301 stainless steel. material standard: JIS G4313 specification :0.38*11*310 Because of fine quality and attractive designs of our products they are a good value for the money. **************************** Amanda Guo Zhuhai Power Spring Inc. Add:No.12 Jinhu Road Jinwan Area Zhuhai P.C.:519040 Tel:+86 0756-763-0555 Fax:+86 0756-763-0909 M.P.:+86 159 1630 4132 http://www.powerspring.cn ****************************