A perfect shoe inserts for height can't be manufactured without the combination of multiple high-quality raw materials. As a professional manufacturer with years of experience, Dongguan S-King Insoles Limited has sourced raw materials from many different suppliers in different industries. In the pre-production process, we will list out all the materials we need so customers can directly ask our staff for the information about raw materials. Additionally, the info of main raw materials are also described in the "Product Details" page of our website, and you're welcome to browse our website.

With large factory and well-trained workers, the capacity of S-King Insoles is big enough to ensure short delivery time. S-King Insoles's Shoe Accessories series are created based on unremitting efforts. The manufacturing of S-King massaging gel insoles is based on the advanced technology. All S-King insoles are under a 12-month warranty. The battery of the product can maintain a charge abundant enough to supply electricity at night or in the absence of sunlight. With extra heel and arch support, S-King orthotic insoles can help correct the flat feet.

Sustainability is a business imperative at the core of everything we do. We collaborate with clients and partners to build solutions that promote environmental sustainability.