Pre-shipment review (PSI) is just one of many excellent control evaluations conducted by Dongguan S-King Insoles Limited. This review is based on regular QC testing or on client request. Based on these standards and processes, samples have been randomly chosen and flaws are assessed. For all of us, pre-shipment review is an important step in the quality management procedure and a means to confirm the grade of this arch support sleeves before dispatch.

Specialized in gel insoles, S-King Insoles is one of the largest manufacturer with its big capacity and gel insoles for shoes. gel toe spacers is the main product of S-King Insoles. It is diverse in variety. The product has remarkable stability. Even the device is running fast which may lead to unstable heat air flow, it can still perform well in thermal dissipation. The S-King insoles are designed to be non-slip. Excellent customer cooperation can be seen in S-King Insoles's cases. With extra heel and arch support, S-King orthotic insoles can help correct the flat feet.

We are committed to achieving a sustainable future. We promote energy efficiency and renewable energy alternatives during our production.