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Perforated plastic sheet for ceiling
Plastic sheets and perforated plastic sheets are widely used in building and ceiling except filteration.
The perforated plastic sheet used for ceiling is usually the colored ones, and at the same time, certain holes are needed besides the normal holes for example, a big hole might be needed for lights.
For this kind of requirements, there are normally two ways to for it, one is cut the big hole first and then get the plastic sheet perforated. The other way is to perforate the plastic sheet first and then get the big hole.
CN perforated plastics use two moulds to get it, that is to perforate the plastic sheet first and then use another mould to perforated the big hole.
By doing so ,we can keep the big hole standard and improve the efficiency.