Manual magnetic control shutter Blinds manually using the regulator can adjust indoor light, clean and tidy appearance and lively, the product after an installation, the built-in blinds do not need to maintain clean, no wear, not aging, can make around the window open and bright, more show introduction, product adopts manual adjuster, open, reliable and simple operation, all show And the price is reasonable, it is widely used in the industries of high interval and the doors and Windows.