About Us
Company Introduction

Established in 1987, headquartered in the Precision Machinery Park in Nantun District, Taichung City, with approximately 8,500 employees. Specializing in the research and manufacturing of precision optical plastic lenses, the products find widespread applications in mobile phones, tablets, laptops, automobiles, and more.

Manufacturing & Operations

The manufacturing facilities are located in the Taichung Industrial Zone and Precision Machinery Park, comprising a total of 12 existing plants. To support the continously growing market demand, our manufacturing sites are equiped with advanced machinery and have inplemented advanced production technology and digital management systems, ensuring high-quality products and efficient delivery.

Looking ahead, Largan Precision will continue to deepen its commitment to optical technology R&D, addressing the diverse needs of the the market and reinforcing its position as a global leader.
Core Competencies
Technological Leadership
Technological Leadership
With many technological patents, Largan drives industry innovation and sets the benchmark for advancement.
Trusted by Global Partners
Trusted by Global Partners
Through enduring partnerships with top global brands, Largan has earned a strong reputation for trustworthiness and technical excellence.
Environmental Commitment
Environmental Commitment
Centered on sustainable development. Largan actively adopts green manufacturing practices to reduce its environmental footprint.
Quality Policy
Follow-through Practice
Follow-through Practice
Efficiency Improvement
Efficiency Improvement
Quality Assurance
Quality Assurance
Customer Satisfication
Customer Satisfication
We are committed to the following quality policies, reflecting our dedication to and emphasis on quality management.
Ensure that all policy decision-making is consistent with the company
Guarantee the efficiency of quality management system to meet customer demands and continue sustained improvement
Provide a framework to compose and verify the target
Convey information all levels in the company through employee training and message boards
The appropriateness of all policy and decision-making is carefully verified
Environmental, Safety & Health Policy
Largan Precision has built, documented, implemented, and improved environmental management systems and chosen the most suitable way to meet the requirements of ISO 45001 and OHSAS 18001.
Ensure that all policy decision-making is consistent with the company
Guarantee the efficiency of quality management system to meet customer demands and continue sustained improvement
Provide a framework to compose and verify the target
Convey information all levels in the company through employee training and message boards
The appropriateness of all policy and decision-making is carefully verified