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Extracte from the natural to the elements of a flower, on the edge at the top.
1 The top up use lace up and down concave and convex dislocation opened the lid the cooling of fallout problem can be solved.
2 the glass upside down When washing a cup the water in the cup can drip with concave and convex edge dislocation outflow.
According to the different name also made a series of product image.
QinHuang Dao, China