Hangzhou Windmill Photonics Technology Development Co., Ltd. is a high-tech enterprise specializing in semiconductor laser chips and related laser devices as its core products. We focus on the development of optical chips for applications such as modern communications, Internet of Things sensing, Gas sensing, advanced autonomous driving, low-altitude aircraft, and medical aesthetics. The core products include 1310/1550/1625/1630 nm single-mode FP chips, 1550 nm multi-mode FP chips, 1310/1550 nm narrow-linewidth high-power DFB chips, 1653/1676nm DFB chips, 1310/1550 nm high-polarization SLD chips, various packaged devices, laser driver boards, and more. The company is committed to addressing customer needs with reliable products and aims to be a provider of high-power semiconductor laser solutions with a competitive cost-performance advantage in the industry.