1.Available for left or right for installation.
2.Included L/R common use
Types of spring roller shutter system:
(1) It is divided into upper beam spring roller shutter system (H), ordinary spring roller shutter system (P)
and shield roller shutter system (b) according to whether there is upper beam or not
(2) According to the operation mode, it is divided into: cordless automatic lifting system (NZ), manual roller
blind system (NS), and Chian Spring roller blind system (TZ), pull bead hand push roller blind system (TS),
cordless Shangri-la roller blind system (NB) (cordless: N, Chain or rope T,)
(3) According to the fabric type, it can be divided into: heavy load spring roller shutter system, light load
spring roller shutter system (s: add s after the pipe diameter) and spring soft sand curtain system
(4) According to pipe diameter: 38, 43, 25, 32, etc
(5) The spring preloading methods are divided into: self-locking preloading g, adjustable a
(6) From lifting to lowering, it is divided into automatic lifting: Z, automatic lowering: X, manual pushing s
(7) According to the installation method, it is divided into left installation (L) and right installation (R). The
left and right installation of the system is not marker.