Hangzhou Zhongzhou Optoelectronic Co., Ltd. is a specialized designer and manufacturer of different wavelength LED series, such as LED semiconductor parts, light sensor parts, LED green lighting, and other relative photo-products. We can produce 300,000,000 LED lamps annually and are now one of the biggest LED assembly houses in Zhejiang. Under the principle of Sincerity, Efficiency, and Excellence we have earned a reputation for high quality products, reliability, and a commitment to customer satisfaction. We have implemented a strict quality control system, monitoring raw materials, art design, processing, and production, ensuring that defective products are identified and replaced. Our staff is experienced in processing and designing LED pieces and are dedicated to providing the best possible products. We are equipped with advanced automatic machines, like automatic die bonders, automatic wire bonders, epoxy dispensers, and prismatic dispensers. We have vast export experience as a large portion of our products are sold to buyers in Europe, Japan, and Korea. We are confident in our ability to serve you and are excited about the opportunity to expand our customer base Please contact us today for more information!