型号
Roller Shutter door hardware Spring box
应用
roller shutter door, rolling shutter spring
加工服务
65mn spring steel strip
Tolerance
thickness +/-0.01mm max; width +/-0.05mm max
Edge
slit edge; both rounded; one side round, one side slit; square etc
Heat Treatment
Quenching+Tempering
Process
Tempered Steel Strip
Certificate
ISO9001:2008/SG-S/BV
Material
rolling shutter door parts spring box
Product Name
Spring Box for Roller Shutter Door