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About Shiin Shern and Jenn Shiin
Business Philosophy
Cornerstone of Excellence, Innovation with Precision
With outstanding performance as our primary goal, we build a solid foundation for future industrial technology development and the realization of new creative ideas.
Shiin Shern is built on the core values of “professionalism, integrity, and innovation,” focusing on mechanical sheet metal design and integrated manufacturing. Since our establishment, we have continuously introduced automation and CNC technologies, forming a one-stop process covering laser cutting, bending, welding, coating, and assembly to ensure both efficiency and quality stability.

With complete production lines and rigorous quality management, Shiin Shern serves diverse industries including industrial equipment, electronic enclosures, medical equipment, and automation equipment, while actively expanding domestic and overseas markets.
Looking ahead, we will drive improvement through innovation and deepen service through professionalism, becoming the sheet metal manufacturing partner most trusted by customers.


Company History
2026
Officially entered semiconductor equipment manufacturing and expanded into the high-end precision manufacturing market.
Started Plant 1 expansion to increase capacity and order-taking flexibility.
Installed solar panels throughout the factory and introduced green power applications.
Established a high-cleanliness process space to strengthen environmental control capabilities for precision manufacturing.
2025
One of the founders, Mr. Cheng Kun-Mu, passed away after devoting his life to the company.
2023
Reorganized internal structure and resource integration, reaching new growth.
2022
Purchased a vertical milling machine to expand processing fields.
2020
Purchased the German TRUMPF TruMatic 6000 fiber combination machine
2014
After 20 years, purchased the latest AMADA laser machine and press brake of that year again.
2010
New factory completed and officially opened.
2006
Invested and purchased the 2nd Plant in the Industrial Park to expand our capacity(approximate surface area of 2975m2)
2003
Purchased the first OTC robotic welding arm.
1993
Founded Jenn Shin Co., Ltd.
1991
Purchased the first Germany TRUMPF TC 260L combination machine.
1990
Officially registered Shiin Shern Co., Ltd.
Officially purchased and moved into No. 1, 18th Road, Taichung Industrial Park.
1989
Rented a factory at No. 22, 18th Road, Taichung Industrial Park, Taichung City, and officially moved into Taichung Industrial Park.
1979
Purchased the first Japan AMADA RG-50 press brake.


1979
Founded Shiin Shern. in 1979.


Factory Overview


Factory Area
2,100 ping (approx. 70,000 sq. ft.)
Main Industries
Mechanical sheet metal, precision mechanical sheet metal for machine tools, exterior sheet metal and electrical distribution boxes
Semiconductor process equipment frames and equipment exterior sheet metal
TFT-LCD panel process equipment frames and exterior sheet metal
LED and solar process equipment frames and exterior sheet metal
To develop Shiin Shern vision for diversified operations, we have steadily and pragmatically expanded factory facilities and introduced advanced equipment. With professional technical standards, a commitment to quality, and fast, reliable delivery, we meet customer needs. We are committed to providing precision mechanical sheet metal manufacturing technology and products, and to delivering comprehensive service quality to customers.
Social Responsibility
Shiin Shern Commitment
As a professional sheet metal manufacturer, Shiin Shern understands the impact enterprises have on society and the environment. For a long time, we have upheld the philosophy of “sustainable operation and giving back to society,” actively fulfilling the following social responsibilities:

1
Environmental protection and green manufacturing:
Adopt energy-saving and carbon-reduction equipment, promote lead-free processes and waste sorting/reuse, reduce manufacturing impact on the environment, and move toward the goal of a green factory.

2
Integrity management and compliance governance:
Abide by laws, regulations, and business ethics; build mutually trusted partnerships with suppliers and customers; jointly maintain a fair and transparent industrial chain.
3
Employee care and workplace safety:
Establish a safe and friendly work environment, value employee health and career development, regularly provide education/training and promotion opportunities, and practice people-oriented management.
4
Local care and public welfare participation:
Actively participate in local public welfare activities, education sponsorship, and support for disadvantaged groups, giving back to the community and creating a better future together.
5
Promoting Sustainable Development Goals (SDGs):
Align with the United Nations Sustainable Development Goals and act across environmental, social, and governance dimensions to achieve a win-win outcome for corporate growth and social well-being.
6
Factory-wide solar panels and green power application:
Install solar panels throughout the factory and actively introduce green power to reduce reliance on traditional energy and overall carbon emissions, improve energy efficiency, and respond to global supply-chain requirements for ESG and low-carbon manufacturing, continuously advancing toward sustainable operations and green manufacturing.