Beijing Zhong�an Unlimited Technology Co., Ltd. is a advanced scientific and technological enterprise, specializing in LED illumination and solar energy cells produce, R&D, produce, construction and after-sales all. Zhong�an Unlimited, as a leading enterprise in north LED industry, has unexampled technical force, solves many technical problem of traditional LED decoration lamp and super high-power LED road light, empolders chips independently, holds core technology and possesses more than 10 patented technology. Many years� production experience and advanced management system make us improve the methods and measures of ensuring product quality. Our company strictly implements ISO9001�2000 International quality control system during operation, from strict evaluation and inspection of empolder and design to detailed check during production course, and ensure excellent quality of leaving-factory product.