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What about CIF of silicone insole?

Under the Incoterms, the CIF is similar to CFR, except it also requires the seller to take out an agreed amount of marine insurance to protect against the loss, damage, or destruction of the products. The total cost of the CIF covers the costs, insurance, and freight. It is important for customers to know that CIF applies to sea or inland waterway transport only. It is commonly used for bulk cargo, oversized or overweight shipments. Please rest assured that we will take care of the import formalities and possible formalities in the country of transit.

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Dongguan S-King Insoles Limited is a reliable manufacturer of gel heel cushions. We pride ourselves on our ability to leverage in-depth product knowledge to help customers solve their problems. We will show you the kid insoles series that is most popular with customers. S-King women's insoles is manufactured meeting the production process standard. S-King PU insoles are made of the soft and durable gel material. S-King Insoles can make a guarantee for the quality of foam insoles. The ultra-slim design increases the comfort and performance of the S-King heated insoles.

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S-King Insoles is ready to solve various problems for our customers. Get info!

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Unleash Your Power – Cushion Every Step
S-King Sports Performance Insoles are engineered for athletes and active individuals seeking high-performance support. Combining impact cushioning, stability, and moisture management, they help unlock your full athletic potential.
S-King Gel Cushion Insoles are engineered for maximum comfort and durability. Whether for everyday use or specialized applications, they provide consistent shock absorption and pressure relief to keep you comfortable all day.
Sports Performance Insoles — Enhance Power, Cushion Impact

S-King sports insoles deliver shock absorption, grip, and breathability for top performance.
S-King shock absorbing insoles use premium cushioning materials and ergonomic design to reduce impact stress, protect joints, and enhance comfort, with OEM options for brands and clinics.
Height Increasing Insoles — Natural Lift with Comfortable Support
S-King height increasing insoles use high-density EVA and cushioning PU with ergonomic design for safe, natural height increase — supporting bulk OEM orders for brands and retailers.
Toe Separator — Gentle Correction for Natural Foot Health

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.
Why Should Everyone Have Shock-Absorbing Insoles?
The human foot endures continuous impact and pressure every day. Without proper shock absorption, this can lead to discomfort and long-term damage. This guide, provided by S-King, outlines the importance of shock-absorbing insoles and the benefits they bring to daily life and athletic performance.
S-King Arch Insoles: A Complete Guide from Arch Health to Scientific Selection

​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.
​​S-King Mid-Year Review Meeting: Striding Steadily Toward Excellence in Insole Manufacturing​​




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.
Innovation You Can Stand On: The R&D Team Behind  Footcare Success
How S-KING's R&D team leads innovation in footcare solutions, offering customized insoles designed for comfort, support, and long-term foot health.
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Floor 1, Build 2, Industrial Park No.10, YizhanRoad, Yuanwubian, Nancheng, Dongguan, China
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Tingshan Industrial Zone, Houjie Town, Dongguan City, Guangdong Province, China.
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