Shanghai Qi source testing instrument Co.   

D75 cotton grading room lighting device of the lamp box used CNC machine tool processing, beautiful appearance, good size consistency. The door opened by a hasp type device, simple installation, convenient maintenance. The Arctic has the characteristics of natural light, to provide a stable and reliable temperature environment. (instrument indicators in line with ISO911 and GB/T13786 92) this product is a new type of light source device, suitable for cotton grading evaluation of cotton color room and other similar occasions, instead of the traditional north daylight light skylight, stable than natural factors, overcome geographical location, season time, weather conditions, day and night can be