Sally Cupc 38*38*6-1/2in Anti Slip Diamond Composite Shower Base with 2 Tile Flange in White

Sally Cupc 38*38*6-1/2in Anti Slip Diamond Composite Shower Base with 2 Tile Flange in White

A circular groove is opened in the middle of the two flanges, the metal ring is placed in, the two flanges are hit hard, and the flange is hard connected.