Trustworthy precision industrial spring manufaturer in Northeastern China

Shenyang Hongda Spring Technology Co., Ltd., formally called Shenyang Hongda Machinery Factory, is located in Shenyang City, which is once to be the nation's heavy-industry heartland, in Northeastern China. It covers 12000 squre meters,construstion area has 30000 squre meters.The permanent assets is 15 billion RMB. The company primarily manufacture railway brake springs ,automobile suspension and brake system springs, valve springs, elevator springs, high&low voltage switch springs, residential, commercial and industrial garage door springs and springs in other industries. It holds more 21 invention and utility model patents and has obtained certifications such as IATF16949:2016 automotive industry system certification, ISO/TS22163:2017 international railway industry standard certification,ISO140001: 2015 international environmental management system certification.