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Sand Adheres To The Development Concept Of "creating Products With Integrity And Building Brands With Quality", Paying Attention To Details And Focusing On Quality. In Order To Pursue Leadership, Daring To Innovate, And Focus On Investment, Sand Has Adhered To The Road Of Independent Innovation For Many Years. The Company Has Invested Heavily In High-tech Production Equipment And Testing Equipment, And Formed A Professional R&d Team Composed Of More Than 10 Engineers And Technicians.