PCB Making Machine, Laboratory Instrument, Copper Plating Machine manufacturer / supplier in China, offering Touch Screen Single Beam B/W 2nm Spectrophotometer/UV Vis Spectrophotometer, Touch Screen Single Beam Variable B/W Spectrophotometer/UV-Vis Spectrophotometer, Touch Screen Single Beam B/W 1nm Spectrophotometer/UV/Vis Spectrophotometer and so on.