s-king@insoles.cc 
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How long is the warranty period of height increase insoles?
The warranty on height increase insoles starts and runs for a while on the day of purchase. If there is a defect during the warranty period, we will repair or replace it for free. For warranty repairs, please contact our customer service department for specific steps. We will try our best to solve your problem. All implied warranties for the product are limited to the duration of this warranty statement.
Owning the competence of manufacturing finest gel toe spacers, S-King now has been developing a famous company which has won many reputation. Dongguan S-King Insoles Limited's best shoe insoles is various in types and styles to meet the different needs of customers. Plated with anodized aluminum which is recognized as the most efficient heat dissipating material, the product has good thermal dissipation performance. S-King insoles have a good water-resistant function. The product wastes a small amount of energy, drawing very little power - making it perfect for users to save energy costs. All S-King insoles meet with the international quality standards.
The brand positioning of the S-King brand is to enable each team to serve customers with professional skills. Ask online!
S-King sports insoles deliver shock absorption, grip, and breathability for top performance.
S-King toe separators are made from medical-grade, skin-friendly materials for safe correction of bunions, hammer toes, and more — supporting bulk OEM supply for clinics and brands.
S-King Arch Insoles: A Complete Guide from Arch Health to Scientific Selection
The arch is the foot’s natural shock absorber—it supports body weight, distributes pressure during walking/standing, and cushions impacts during movement. However, congenital factors, acquired habits (e.g., prolonged standing, wearing ill-fitting shoes), or aging can lead to arch abnormalities, causing a range of discomforts.
As we gather for S-King’s Mid-Year Review Meeting, it’s a moment to reflect on our journey, celebrate milestones, and align our vision for the second half of 2025. Over the past six months, S-King—rooted in precision engineering and a deep understanding of athletic performance—has continued to solidify its position as a trusted partner to global footwear brands and a leader in innovative insole manufacturing.
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