Wuhan Shengshi Optical Technology Co.,Ltd is a professional laser diode equipment manufacturer in China. We specialize in the development, production, and sales of photoelectric components. Our large selection of performance gadgetry includes the DFB pigtailed laser diode device, butterfly pigtailed laser diode module, InGaAs coaxial plug in diode laser module, and the InGaAs coaxial pigtail laser detector diode. We offer OEM and ODM services and strictly adhere to ISO9001 quality management standards. The DFB pigtailed laser diode device utilizes the diffraction grating as a wavelength selective element, enabling single longitudinal lasing mode.