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