Founded on March 1, 1984, by Mr. Lin Zhong-Yi , the father of current Chairman Dr. Lin, the company was built on integrity and technical excellence, laying a solid foundation for precision manufacturing at Grand Dynasty Industrial .

In 2007, moved into a 6,000 m² owned facility; in 2011, expanded to 12,000 m² and established one of Taiwan's most advanced quality control laboratories to bolster R&D capabilities.

In 2019, the third plant was added; in 2020, successfully introduced Liquid Silicone Rubber (LSR) injection technology,, enabling high-precision manufacturing for the medical device industry.

In 2024, an ISO Class 7 standard cleanroom was completed, focusing on the production of high-end medical components and precision consumables to ensure ultimate product purity and quality.

Launched a new production base in Thailand in 2024, strengthening supply chain resilience through multinational capacity layout and providing more flexible regional support for global customers.

In 2025, advanced laser texturing technology was fully implemented,  replace traditional chemical etching, providing eco-friendly, precise, and digitally aesthetic surface treatment solutions.