Linyi Liangyu Steel Strip Co., Ltd

black finished spring steel strip *****: *5MN C*0 T8A T*0A *0SI2MN 2.SIZE: 0.***2.*0MM THICKNESS X *****0M

roller SHUTTER SPRING STEEL STRIP *****: *5MNN C*0 2.SIZE: 0.**1.5MM THICK X ****0MM WIDE X **6METER LO

SHUTTER SPRING STEEL STRIP *****: *5MNN C*0 2.SIZE: 0.**1.5MM THICK X ****0MM WIDE *****: BLUE, BLA

BLUE SPRING STEEL STRIP 1. SIZE: 1). thickness: 0.***2.*0mm 2) width: *****0mm 2. Material: *0#, *5M

Tempered and Hardened Steel Strip 1. *5Mn *0# T8A-T*0A 2. Specification: 1). thickness: 0.***2.*0

WHITE POLISHED STEEL STRIP 1. MATERIAL: *5Mn *0# T8A-T*0A 2. SPECIFICTION: 1). thickness: 0.***2.*0mm

1. Material: *5Mn *0# 2. Finished: hot tempered and hardened, black or blue finished, round edge HRC****8

Material: *5Mn *0# Finished: hot tempered and hardened, black or blue finished, round edge HRC****8 Size:

Blue Steel Strip / hot tempered & hardened steel strip/ cold rolled steel strip Specification: 1). th

roller shutter spring 1. Material: *5Mn *0# 2. Finished: hot tempered and hardened, black or blue finish

ROLLING DOOR SPRING *****: *5Mn *0# *****: hot tempered and hardened, black or blue finished, round

polished cold rolled non alloy carbon steel strip 1. material: *0# *5Mn *0Si2Mn 2. size: 0.***2.*0mm

Blue spring steel Bright Steel Strip/ hot tempered & hardened steel strip/ cold rolled steel strip 1. Speci

spring box for shutter door spring Material: galvanized steel plate with nylon ball size: **0x*2/*0/*

1.black rolled steed strip, bright/white finished steel strip, blue finished steel strip, yellow finished stee

1.blue steed strip 2. Specification: 1). thickness: 0.***3mm 2) width: *****0mm 3. Materia

rolling door spring 1. Treatment: black, blue, yellow, bright/white 2. Specification: 1) thicknes