Mould opening of aluminum profile refers to customizing aluminum profile according to drawings or samples. Usually there are non-standard or standard aluminum profiles in the field of aluminum profiles. Standard aluminum profiles are actually unified specifications and styles, such as industrial aluminum profiles 4040 and 4080, which are a bit like the previous computer USB sockets.

Industry 4080 national standard

Non-standard products are called profiles, because customers need to order them privately for their own purposes. Products like this will involve the opening of aluminum profiles. Aluminum profile die opening is customized by personal tailor and Leto.

Irregular aluminum profile