... most advanced production technology,the mostaccurate control system,the idealest anologue system,the strongestframe,the most professional materials,etc. ... ensured the optimal temperature andhumidity at any time.4.Ventilation system:we use the latest adjustble ventilationsystem,based on ... the air quality best. 5.Heat-retaining system:the insulation is 0.4 mm in thickness,thatadopts two-tier coated ...