Gesteuert Zugfeder

Automating closing spring of elevator door/Controled tension Spring Its salient features are given below: 1. with GB/T certification and recognition of HITACHI 2. application: door control of elevator 3. Available with customized materials and sizes 4. Sizes: wire dia1.8. length are 474mm 507mm 570mm 589mm 613mm 5. Dimensionally accurate 6. Load value tested As the appointed manufacturer of HITACHI and GUANGRI Elevator for spring production, we are working as Supplier Company exporting tension spring, compression spring, u-spring for elevator gear, torsion spring, spring pin and other plate spring parts. We are getting interested to take a part and introduce our highly qualified products for your market.