Manufacturing Capacity - Custom Insoles Manufacturer

Scalable Insole Production for OEM and ODM Projects

S-King operates multiple specialized production lines for TPE gel insoles, PU foam insoles, EVA insoles, carbon fiber insoles. From material preparation and molding to lamination, inspection, and packaging, we provide reliable manufacturing support for footwear brands, wholesalers, distributors, and private-label customers.

Custom Insole Molds

We maintain over 1,000 existing molds covering different insole types, shapes, sizes, and structures. This extensive mold library helps shorten sampling time, reduce tooling costs, and further improve the overall efficiency of customized insole development.

Designers & R&D Engineers

Our experienced design and R&D team provides support in product structure, material selection, functional development, prototyping, and sample improvement. We can quickly develop customized insole solutions based on customer ideas, target markets, and performance requirements.

10 QA/QC Inspectors

Our dedicated QA/QC team monitors incoming materials, production processes, product dimensions, appearance, assembly, and packaging. Strict inspections at every stage help ensure consistent quality across samples, small orders, and mass production.

Certifications & Test Reports

We have accumulated more than 1,000 certifications and testing documents covering materials, product safety, quality management, and market compliance. These documents help support customer requirements for different products and international markets.

Advanced Production Lines for Custom Insole Manufacturing

S-King combines specialized production equipment, experienced engineering teams, and strict quality control to provide reliable OEM and ODM insole manufacturing services for global customers.

Professional Custom Insole Manufacturer

Dongguan S-King Insoles Limited is a professional manufacturer with over 15 years of international trade experience. Our 4,100-square-meter factory is equipped with advanced production machinery and supported by experienced R&D and quality control teams.

We provide complete OEM and ODM services, including customized materials, colors, sizes, formulas, logos, labels, and packaging. With stable production capacity, strict quality control, and certifications such as BSCI, ISO9001, ISO13485, CE, and MSDS, we serve brands, wholesalers, retailers, and manufacturers worldwide.

TPE Gel Production Line

Capacity: 50,000 pairs monthly

Equipped with three production machines, our TPE gel production line manufactures soft and flexible insoles with excellent cushioning and shock absorption. Product shape, gel hardness, color, thickness, and surface fabric can be customized.

PU Production Line

Capacity: 39,000 pairs monthly

Our PU production line is equipped with two machines for manufacturing soft, resilient, and comfortable insoles. We support customized foam density, thickness, hardness, surface fabric, color, and product structure.

EVA Production Line

Capacity: 168,000 pairs monthly

Equipped with four production machines, our EVA line supports stable and high-volume production. It is suitable for lightweight sports insoles, work insoles, casual shoe inserts, and everyday comfort insoles.

Carbon Fiber Production Line

Capacity: 11,000 pairs monthly

Our carbon fiber production line manufactures lightweight and supportive insoles for sports, performance, and specialized footwear. Carbon fiber thickness, support area, flexibility, surface material, and shape can be customized.

Flexible OEM & ODM Insole Solutions

From mold selection and structural design to prototyping and validation, we provide complete development support for customized insole projects.

Product Development Capabilities

From initial concept and mold selection to structural design, prototyping, measurement, and final validation, S-King provides complete product development support for customized insole projects. Our team works closely with customers to define product shape, size, thickness, support areas, materials, and performance requirements.

With over 1,000 insole molds and an experienced design and R&D team, we help shorten development cycles, reduce tooling costs, and improve sampling efficiency. Each prototype is carefully measured, evaluated, and adjusted before moving into mass production.

Advanced Insole Manufacturing Processes

S-King operates specialized production lines for TPE gel, carbon fiber, and EVA insoles. From material molding and precision cutting to heat-press forming, each production process follows approved product specifications to ensure stable dimensions, consistent structures, and reliable performance.

We support flexible customization in materials, hardness, thickness, colors, shapes, cushioning areas, and support structures. With experienced operators and in-process quality inspection, we can efficiently support both product sampling and volume production.