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Shenzhen LongBrother Digital Lock Co., Ltd. is a modern enterprise integrating R&D, production and sales. The company has always focused on research and development, production of high-quality hardware locks series products, continuous innovation, forge ahead, and now maintain a high-speed development trend, has become one of the fastest growing and most dynamic and influential brands in the domestic hardware locks industry. Its products rank the top three in the industry, and it is China's electronic lock leader enterprise. The Dragon brothers intelligent lock has dozens of product lines. After years of careful cultivation, LongBrothers products with stable quality and unique appearance to win the favor of consumers at home and abroad. The R&D team composed of key engineers and technicians of the company can provide locks and security solutions for professional customers, and bring comprehensive, meticulous and thoughtful products and humanized care to customers. Up to now, Dragon Brothers and its founders have obtained more than 50 national patents with independent intellectual property rights, and are in the leading position in the industry.