[China Aluminum Industry Network] The big difference between the European standard aluminum profile and the national standard aluminum profile is:
one. The groove type differs. Different nuts are placed in the profile groove when the profile is fixedly connected. The national standard profile groove is placed with a regular square nut, and the European standard profile element is placed with a special profiled nut.
two. Different corner chamfer profiles, GB corners of the four corners of the profile is very small, basically a right angle. The four corners of the European standard profile have large arc chamfers.
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