Happyspring is specail to make all kinds of edge support springs for mattress pocket spring units and bonnell spring units.



Our production capacity is 3 millions pcs per month (more than 10 containers), which is No.1 in China.



Our factory is located in Shenzhen city, nearby Hongkong.



Wire Guage: 2.8-4.0mm

Height: 10-25cm

Length: 15-30cm



Made by automatic edge support spring machines. Standard and best welded.