About KCS

Taiwan's Trusted Bonded Washer Manufacturer Since 1983

Established in 1983, KCS Enterprise Company Limited specializes in material bonding technology, rubber sealing components, and rubber-to-metal bonded components. With over 40 years of manufacturing experience, KCS has grown into one of Taiwan’s established bonded washer manufacturers and sealing solution suppliers.

Our core product range includes bonded sealing washers, cutting washers, saddle gaskets, umbrella / BAZ washers, and rubber washers. These products are designed to deliver consistent, long-lasting performance across building hardware, metal roofing, industrial equipment, automotive components, solar mounting systems, and other applications requiring waterproofing, leak prevention, and fastening stability.

From raw material selection and mold development to production and finished product inspection, KCS maintains quality control at every stage. For customers requiring standard specifications or custom development based on specific dimensions, materials, hardness levels, or application conditions, our team provides practical product recommendations and reliable manufacturing support.

KCS logo

Brand Philosophy

Our foundation is a long-term commitment to material expertise, product consistency, and customer partnership.

A bonded washer is more than a small component. It directly affects waterproofing performance, leak resistance, fastening stability, and the service life of the assembly it supports. We understand the different requirements each industry places on sealing performance, weather resistance, durability, and assembly stability. This drives our ongoing refinement of product design, manufacturing processes, and quality management.

From product selection and specification review to custom development, our goal is to help customers solve real application challenges. KCS aims to be a long-term partner for customers who require dependable sealing washers, rubber sealing components, and rubber-to-metal bonded parts.

Knowledge

Bonded® Specialty

Creative

Experience Solutions

Service

Customer-oriented

Quality Certifications

KCS holds ISO 9001, ISO 14001, and ISO 17025 certifications, reflecting our commitment to quality management, environmental responsibility, and in-house testing capability.

Quality controls are maintained across raw materials, manufacturing processes, and finished product inspection, supported by continuous process improvement. For customers with specific requirements around dimensions, materials, weather resistance, sealing performance, or end-use environments, KCS provides informed product planning and manufacturing support.

We also take our environmental impact seriously and continue to improve our environmental management practices throughout the manufacturing process. Moving forward, KCS will continue to support customers with stable product quality, professional manufacturing, and responsible service.

History

1983

Founded as “Chun-Yi” Industrial Agency

2003

ISO9001 certification achieved

2004

Renamed as “KCS Enterprise Co., LTD”

2005

• Moved plant to Jhangbin Industry Park, Changhua
• Got the fifth annual ROC(Taiwan) ten potential business Torch award

2006

• Got the tenth annual ROC(Taiwan) outstanding business and Jinfeng R&D Award
• New Products! Bonded Flashing®

2007

New Products! Bonded Nut-Insert®
ISO14001 certification achieved

2008

Imported new generation of ERP system

2009

Material laboratory established

2011

Got certificate of Republic Of China Fine Manufacturer Association

2012

Got certificate of CE

2013

• New Products! Bonded Zip-Flashing
• New Products! Stamping Products and Plastic Products

2014

New Products! Titanium Bonded

2015

ISO 17025 certification achieved.(TAF)

2016

Expansion New Factory (For Rubber-Parts Product)

2017

New Products ! Round Bonded Flashing

2018

New Vision of ISO 9001 & ISO 14001

2019

New Products ! Conductive EPDM of Light Color for Bonded Washer !

2020

Add Kaohsiung Shipping Center

2021

New Rubber Washer Series Products

2022

New Solar Part Series Products

2023

ISO 14064-1 The inventory of Greenhouse Gas Emissions

2024

Add Malaysia Plant

2025

ISO 14067 Product Carbon Footprint Certification Achieved.