► IZK Company History
• 1984 Established on September 17 of the same year, the company specialized in high precision ball screw grinding               machine & cylindrical grinder center.      
• 1987 Introduced CNC lathes and established precision machining centers and began to produce a great amount of               precision machining parts.
• 1990 Began production of ball screw nut and established a deep foundation for the production of ball screw.
• 1996 Started OEM production for high-end precision grinding grade ball screw.
• 2000 Launched its own brand and engaged in Japan's domestic sales.
• 2004 Moved to Chidani Factory in April, and there was a earthquake in Niigata County in October of the same year.
• 2005 Introduced high-precision thread grinding machine to realize more than one meter grinding screw length.
• 2008 Introduced of high-precision laser lead-screw lead automatic measuring instruments.
• 2010 Takuro Ishizaka took charge of general manager in October.
• 2013 launched single-row circulation & head-tail end reflow internal ball circulation.

► Adhere To High Quality
The Oath of Quality Assurance
Taking the Japanese family name of ISHIZAKA (IZK) as the brand is the determination of high quality.
Purely made in Japan
High Quality and High Precision Guarantee.
Precision assurance process
All with the Japanese in-house unique process and technique to effectively reduce the deformation and improve the
quality of reliability.
High Precision Assurance of the Detection Equipment
Laser type screw lead automatic measuring machine, torque measuring machine.

► High-Precision Advantage
The skillful lapping technology
effectively reduces the surface roughness of the screw to significantly reduce initial abrasion, enhance smoothness
and non-vibration.
The best loop design
Based on 30 years of accumulated experience and continuous research and development designs.
High quality grinding grade thread
Adopting ultra-high precision CNC thread grinding equipment and the most sophisticated nut manufacturing equipment.