... focus on the production of shower room, sauna house, massage bathtub, shower column, acrylic toilet, acrylic washbasin, shower enclosure and walk-in bathtub. ... ) Pure aluminum -alloy frame (thickness 1.3mm; c) Shower tray: ABS laminated board (thickness 4mm) d) Plank: ... and functions: ceiling light, ventilation fan, overhead shower, hand-held shower, hi-fi loudspeaker system, hand-free telephone, ...