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Question:

Is there any profit in the rock wool sandwich panels?

Is there any profit in the rock wool sandwich panels?

Answer:

f course, ah, foam sandwich panels are not allowed to use the fire department, optimistic about the Yanmian sandwich panels, glass wool sandwich panel market prospects, Shandong Zibo permanent company is the largest sales of Yanmian sandwich panels manufacturers, Steel sandwich panels, save money is the last word!
Now the fire board profits should be about 20%.

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