... shape is in B grade Applications:1,Laser pointer2,Industrial laser marker / measuing instrument3,Bar code reader A-laser is specilized in encapsulation,testing ... , producing of the semiconductor laser diode ,and we can do the OEM and ODM according ... than 4 million PCS per month.The wavelength for the laser diode have below series: 635nm650 nm,660 nm,780 nm ...