Zhejiang Yinfen Hardware Co, Ltd.

Item:SII 1-A/B Outer diameter:200mm Inner diameter:62mm Thickness:1.00mm 1.Spring box for roller shutter

Item: I-2 Outer diameter: 240mm Inner diameter: 62mm Thickness: 1.2mm 1. Spring box for roller shutter d

Spring box Item: SI-4 Outer diameter: 240mm Inner diameter: 48mm Thickness: 1.5mm 1. Spring box for rol

Item: GP01 Thickness: 1.5mm The hook is usded in the roller door with the spirng box. Other size could be d

Handle Item: LS001 Thickness: 1.5mm The handle is used in the roller door. WIth or without the plastic cov