Roller Shutter Forming Machine and Door Frame Forming ...
2021-7-19u2002·u2002Roller Shutter/Door Frame/Door Panel Forming Machine. Roller Shutter Roll Forming Machine. ... Cr12 steel with vacuum heat treatment HRC57°-60° ... This producing line is maintained free of charge for 12 months. When the machine is used in China, we will install and debug the machine for free; if it is used at abroad, we will send the ...
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