WNJ is a global enterprise specialized in spring machines over 28 years. It is located in shengzhou city, Zhejiang province, China. WNJ is a leader in the Chinese spring machinery in spring coiling machine, spring forming machine, spring grinding machine, spring temper furnace and other related equipment. The company is acknowledged as ONLY ONE new national technology enterprise in China . It has 280 employees including 8 senior enginners and 50 professional technicians.
https://www.wnjspringmachine.com/