Elevator series spring is the traditional product of our enterprise. Including bridge top wheel spring, door center series spring, button spring, escalator series spring, rope head spring, door crane tension spring, garage series spring, all belong to domestic high demand and professional spring. Our factory has many years with Hangzhou Xizi group, shichuandao, Suzhou Shenlong, Ningbo Jiangling, Shanghai Shenling and other elevator enterprises to provide supporting.