World-Class Seal Solutions
for Every Industry

Leading manufacturer of high-performance sealing solutions.
Trusted by industries worldwide for over 25 years.

Rubber sealing manufacturer factory building and production facility

About FOLON·A

Who We Are

We are a professional manufacturer of seals started since 2000. To rely on the German sealing technology and the implication of the ERP management system, we keep seeking for the advanced technology globally to improve our manufacturing process.

What We Offer

We provide various kinds of professional sealing parts including O-rings, ED rings, bonded seals, hydraulic seals, piston seals, dust seals, guide rings, V-packings, radial shaft oil seals, liquid-cooling cleanroom seals, customized molded rubber parts and more.

Products

We provide high-performance sealing solutions. With cleanroom production, rapid delivery, and an annual output of over 500 million pieces, we ensure reliable supply for industries such as hydraulics, construction machinery, energy, automotive, and data-center liquid cooling.

Material

We provide products made with various materials to fit different requirements. Our specialized materials include nitrile rubber (NBR), fluoroelastomers (FKM), Ethylene Propylene Diene Monomer (EPDM), Hydrogenated Nitrile Rubber (HNBR), Silicone rubber (SI), Polytetrafluoroethylene (PTFE), Polyurethane rubber (PU), VITON (FFKM), and more.

Sealing products catalog download including O-rings, bonded seals, and rubber sealing solutions

Catalog Download

It is critical for all users and our valued clients to select the right products best suited to their needs. Therefore, simply download our catalogs for professional recommendations on choosing our products.

Class 10,000 Cleanroom

Precision Production in Controlled Environments

At FOLON.A, we operate a Class 10,000 cleanroom at our Dongtai, Jiangsu production base (Jiangsu Kunyuan Rubber & Plastic Technology Co., Ltd.). Within this facility, we perform molding, trimming, inspection, and packaging of sealing products under strictly controlled conditions—free from particulate contamination, oil residues, and uncontrolled ion release.

This cleanroom capability enables us to reliably serve industries demanding the highest levels of cleanliness and product stability, including liquid cooling for data centers and semiconductors, as well as medical and pharmaceutical equipment, food and beverage processing, aerospace, new energy, and high-precision electronics.

Class 10,000 cleanroom for precision molding and inspection of sealing products at FOLON.A

Industries Served

Our sealing solutions serve critical applications across multiple industries

Recent Blog Posts

Contact our experts today for a custom sealing solution for your application