Volker Machinery & Engineering Corp., established in 2011, is a manufacture of high quality Hexagon Socket Set Screws and customized items. We are a relatively young company with quality and professional engineers who have served in this industry for over a decade. Our spirit of constantly striving for betterment and quality improvement has enabled us to obtain ISO 9001:2008 certification the next year of factory establishment, in 2012. To be certified within a short time indicates our ambition to provide excellent product services for our customers worldwide, which also makes us one highly competitive set screw manufacturer in this industry.