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Granbo Technology Industrial Shenzhen Co., Ltd.-Welcome to our website!   Granbo Technology Industrial Shenzhen Co., Ltd. was founded in 2013, which focuses on the research development of ultrasonic cleaning technology, and responsible for R&D, production, sales and technical services. Our factory is located in Bao’an District, Shenzhen. The R&D team of the company has worked in the field of ultrasound applications for over 20 years, and always adheres to the market oriented, integrity based and quality fi...