Dongguan S-King Insoles Limited places great importance on raw materials used in the manufacturing of electric heated insoles-thick heel grips. Each batch of raw materials is selected by our experienced team. When raw materials arrive at our factory, we take good care of processing them. We totally eliminate defective materials from our inspections.. To establish S-King brand and maintain its consistency, we first focused on satisfying customers' targeted needs through significant research and development. In recent years, for example, we have modified our product mix and enlarged our marketing channels in response to the needs of customers. We make efforts to enhance our image when going global.. We pride ourselves with outstanding services that make our relationship with customers as easy as possible. We are constantly putting our services, equipment, and people to the test in order to better serve customers at S-King Insoles. The test is based on our internal system which proves to be high efficiency in the improvement of service level..
