We mainly make all kinds of wavelength semiconductor laser diode, including chips, all kinds of packaged laser diode, the main wavelength is 650nm,905nm,1064n m,1310nm,1470nm, 1550nm, and PIN,APD,SiPMT, including Si, InGaAs, And four quadrant detector and so on, mainly used in golf ranging, medical, industrial fields and so on, in addition, we can according to customer requirements, provide customized products.