In 1976, NAK Sealing Technologies Corporation, founded with a capital of US$40,000, mainly specializes in production and sales of seals for auto/ motorcycle and industry.
In 1979, it set up NAK First Factory at Nangang Industrial Park, Nantou, started to produce and sell new product O-ring.
In 1980, it moved the production lines to Nangang Industrial Park.
In 1981, it initiated export trade to American regions.
In 1982, its export trade expanded to European region.
In 1983, Bonded Seals, a new product, put into production and launched into the market.
In 1985, it initiated production and sales of new products-C. V. Joint Boots and Power Steering Boots.
In 1986, NAK Third Factory put into use, and introduced HP computer system to achieve full computerization operations.
In 1988, it purchased several CNC lathes for mold making, and established R&D and quality management department focusing on development and promotion of new products and implementation of total quality management (TQM).
In 1989, it was certified to MCS, and started production and sales of new products-V-seals and Valve Stem Seals.
In 1990, President Shi Zhengfu was erected as Young Entrepreneur Model in the 13th National Top 10 Young Persons, and started production and sales of Piston Seals.
In 1994, NAK Second Factory put into use, acquired with ISO 9002 certificate.
In 1995, it started production and marketing of new products- PU seals for air/oil compressors, PTFE Teflon seals and high pressure seals.
In 1997, it set up Race Tec NAK, a R&D center established in UK focusing on R&D, design and production of hi-tech seals for Formula one, and invested subsidiaries in UK, Iran, and Australia.
In 2000, it was certified to QS9000 and completed automated storage, then invested in construction of Kunshan NAK Seals Co., Ltd. engaged in supply of full series of OEM seals for expanding domestic market in mainland.
In 2001, Kunshan NAK Seals Co., Ltd. completed and achieved volume production and sales.
In 2002, the company went public as the first seals manufacturer in Taiwan, embarked on investment of NAK Japan, one subsidiary in Japan taking charge of promotion and marketing of seals in Japan region. For the sake of industrial demands, it officially renamed as NAK Sealing Technologies Corporation, and established partnership with biotechnology industry to develop and make seals for safety syringes according to safety standards.
In 2004, NAK Fifth Factory started production.
In 2006, it was certified to ISO/TS16949, and set up Thailand NAK Seals Co., Ltd. and opened.
In 2007, NAK Fourth Factory started production.
In 2008, it was certified to ISO14001 and OHSAS18001, and invested subsidiaries in Russia and Brazil.
In 2009, it comprehensively introduced Six Sigma.
In 2010, it set up Assembly Development Department for promotion of assemblies. Foundation Stone Laying Ceremony of New Factory in Kunshan was opened.
In 2011, Group achieved a sales volume over RMB600 million.