A. Flat surface and slope bottom
B. Small structure, which can help smooth the draining
C. Convenient to transport and easy to intall for these high-strength and light-weight products
D. High resistance against heat, acid, alkali, freezing and thawing
E. Flexible to be installed according to the length of the I
F. Able to adjust the slope face according to the position of the drainage hole
E. Self-cleaning function as the interior is u-shaped and slightly sloped