Company
Profile

Since 1997
Precision Manufacturing & Comprehensive Solutions
Established in 1997 and located in the Taichung Industrial Zone, our company specializes in precision manufacturing and is committed to providing high-quality OEM and ODM solutions. With advanced automation equipment and digital production management systems, we ensure stable production quality and flexibility to meet various customized needs.
Certification
 

Comprehensive Solutions

From Concept to Mass Production
We are not just a manufacturer; we are a technical partner that helps clients overcome product development and production challenges. Throughout the development process, clients often face the following issues
01
Design-to-Manufacturing Gap
While a component may be feasible in design,actual production could face machining limitations or material deformation.
02
Accumulated & Assembly Tolerances
When multiple components are assembled, tolerance accumulation can impact final product precision and stability.
03
Material & Machining Variations
Different materials have unique thermal expansion, hardness, and mach ining characteristics, affecting consistency and durability.
04
Production Yield & Cost Control
Increasing yield rates, reducing waste, and optimizing production processes are key concerns for clients.
With precise tolerance management, advanced automation, and optimized manufacturing processes
we proactively identify potential issues early in the design phase. Our comprehensive solutions ensure seamless transitions from concept to production, helping clients reduce development time, lower costs, and enhance product quality and reliability.

Quality & Sustainabilit

Commitment to Excellence
We implement Six Sigma and lean management tools to continuously improve manufacturing processes and product quality, striving to be an industry leader. Additionally, we prioritize ESG sustainability, actively promoting energy conservation, carbon reduction, material recycling, and eco-friendly production methods to balance business growth with corporate social responsibility.
Intellectual Property Protection
A Trusted Partnership
Beyond providing high-quality manufacturing and technical services, we strictly protect clients’ intellectual property rights, ensuring that product information and technical data remain confidential to foster long-term, stable partnerships.
With our technical expertise and comprehensive solutions
Let’s work together to create more efficient, competitive, and innovative products for the global market!
End-to-end design solutions with full confidentiality and IP protection.
End-to-end design solutions with full confidentiality and IP protection.
End-to-end design solutions with full confidentiality and IP protection.

History

1997

DER YEN Precision Industry Co., Ltd., engaged in spot welding processing.

1998

The welding of industrial auto parts, QSI, ISO management counseling, and the development of quality processes, standardization and introduction of microcomputer machines, and automobile factories Synchronous management.

2000

It was introduced into a small number of argon welding robots and precision argon welding automated.

2001

The 3D drawing design was introduced, and the mold design was synchronized with the manufacturer. Started.

2003

The second plant was expanded, and the Phillips plasma TV stand and the US Weber oven gas pipe parts.

2005

The second floor of the second plant was added to expand the plant capacity and increase the precision parts.

2006-2007

We increased the procurement of substitute materials and the processing of the entire group to the surface coating, reduced the administrative cost of customers, strengthened the control of product quality, and increased the competitiveness of products in the market.

2008

The design department was added to assist customers in product development. And began to introduce laser welding technology.

2013

The company moved to the No. 18 , Gongyequ 23rd RD, Nantun Dist., Taichung City 408., Taiwan ROC to expand its production capacity, service and quality work environment.

2015

Since August 2015, changed company name to "SIN CI Enterprise CORP."

2018

Aiming at the international trend, we accept 3D design drawings, develop collaboratively, and assemble in one stop.

2025

So far, relying on its own development experience, it has gradually become an expert in customized solutions.

Contact us
Expert Consultation, Unlock Your Tailored Solutions
Engage with our expert engineers for in-depth consultations and customized technical advice