Made of SUS304 stainless steel, perfect manufacturing, classic constructure, occupying European and American market for years. Selected stainless steel from famous manufacturers meets or exceeds international standards. 13 perfect manufacturing processes---shearing, cutting, welding, polishing…… Standard parts: Multi-filtering drain and exclusive drain hose, standard predrilled hot/cold faucet, ramp(standard version), water resistant height-control pedal(for E series only), etc. Optional up-down lifting door, left-right sliding door, electric lifting base, 2.0mm extra thick stainless steel material, ramp with stairs, ramp without stairs…multiple structure choices.